| Estimated & Approx. Date | Files Name | Series (See Scope & Content Note) |
| 1924 | 1924 L (correspondence) | Correspondence Files |
| 1935 | 1935 w/ Louis E Wise | Correspondence Files |
| 1964 | 1964 M (correspondence) | Correspondence Files |
| 1975 | 1975 K (correspondence) | Correspondence Files |
| 1978 | 1978 W (correspondence) | Correspondence Files |
| 1981 | w/ Dr. A. C. Carder "Canada's Tallest Tree" | Correspondence Files |
| 1979-80 | American Forestry Association Ed: W Rooney | Correspondence Files |
| 1975 | "Crosscut Saws" (correspondence) | Correspondence Files |
| 1974 | w/ D. K. Bailey | Correspondence Files |
| 1975 | w/ Dee Seton Barber re: Ernest Thompson Seton | Correspondence Files |
| 1979 | Films & Photos Correspondence | Correspondence Files |
| 1978, 1980 | (on) Hough's Encyclopedia of American Woods | Correspondence Files |
| 1969-77 | w/ Irving Adler 1969-1977 | Correspondence Files |
| 1951 | w/ Kenneth Roberts, "Dowsing" | Correspondence Files |
| 1949 | Letter, October 10, 1949 | Correspondence Files |
| 1977-78 | "Lug Soles" w/ Donaldson | Correspondence Files |
| undated | Misc. Correspondence | Correspondence Files |
| 1959-86(?) | Misc. Correspondence (Found items) | Correspondence Files |
| 1981 | w/ Dr. Philip G. Hoddock "Canada's Largest Tree" | Correspondence Files |
| undated | "Pubs excetera" | Correspondence Files |
| undated | Research Correspondence | Correspondence Files |
| 1976 | Dr. W M Gould Vinal obituary | Correspondence Files |
| 1984 | Ways of the Woods Correspondence | Correspondence Files |
| 1942-44 | World War II correspondence (6 folders) | Correspondence Files |
| 1955-56 | Golden Reel Awards | Personal Artifacts/Objects |
| 1955 | Golden Reel Film Festival 1955 Program | Personal Artifacts/Objects |
| undated | Personal Materials (misc.) | Personal Artifacts/Objects |
| undated | White Birch Bark | Personal Artifacts/Objects |
| undated | "Anatomy" [wood] | Photographs |
| undated | "Angio. Fruits" | Photographs |
| undated | "Bark" | Photographs |
| undated | "Cones & Seeds" "Yew" | Photographs |
| undated | "Education" | Photographs |
| undated | "Flowers" "& Conifers" | Photographs |
| 1980 | Guide to the Color Prints (12 framed prints) | Photographs |
| undated | "Leaves Tree Rings" | Photographs |
| undated | Misc. Photos (2 envelopes) | Photographs |
| undated | Patterns, assorted | Photographs |
| undated | Photos of Harlow (5, sleeved) | Photographs |
| undated | "Pine Needles" | Photographs |
| undated | "Twigs" | Photographs |
| undated | 16mm Film Produced/for the College | Subject Files |
| 1981 | Camping Education (3 folders) | Subject Files |
| undated | Dawn Redwood [publications about textbook] | Subject Files |
| undated | "Dendrologist's Newsletter" | Subject Files |
| 1954 | Films & Photography: Articles | Subject Files |
| 1965 | Films re: Wards Bulletin | Subject Files |
| undated | "Infra-red" | Subject Files |
| undated | "Ketchledge Reprints" | Subject Files |
| undated | Maps, ephemeral | Subject Files |
| undated | Maps, New York, topographic | Subject Files |
| undated | Maps, topographic | Subject Files |
| 1971 | "Picts. Hookway Oak" "Big Black Oak" | Subject Files |
| 1973 | Publications Inside Wood | Subject Files |
| 1975 | William Gould Vinal | Subject Files |
| 1978 | "7th Ed. TBK Dendrology!" | Writings |
| 1927 | 1927, manuscript | Writings |
| 1947 | 1947, manuscript | Writings |
| 1984 | 1984, manuscript, "Camping, National Camp" | Writings |
| undated | Cedar of Lebanon in Turkey | Writings |
| 1932 [?] | "Cell Wall V" "Sawdust Hd. & Sft. wd. Lignin" | Writings |
| 1933 | "Cell Wall VI" "Further on Lignin" | Writings |
| 1938 [?] | "Cell Wall VII" "Brake Fern Cellulose" | Writings |
| 1938 [?] | "Cell Wall VIII" "Moss Cellulose" | Writings |
| 1939 | "Cell Wall IX" "Further Studies on Location etc." | Writings |
| 1940 [?] | "Cell Wall X" "Behavior of Thin Sections" | Writings |
| 1941 | "Cell Wall XI" "Failure to Separate" "XII" "Sal. Green" | Writings |
| 1928 | "Chuzn [?]" "of Wood Rays" | Writings |
| 1944 | "Conpreg [?]" | Writings |
| 1928 [?] | "Contr. Cell Wall II Liquification etc." | Writings |
| 1930 [?] | "Contrib. Cell Wall III & IV Stains & HH [?]" | Writings |
| 1975 | "Crosscut Saws" (writings) | Writings |
| 1939 | "Ethanolamine on Woody Tissue" | Writings |
| 1984 | "Excerpts from Moosewood's Notebook" | Writings |
| 1943 | w/ Frank E Egler, Ecologist | Writings |
| 1969 | "Growing UV Lignin" | Writings |
| undated | [Index cards -- notes/citations] | Writings |
| undated | "An Intro to Topographic Map Reading" (manuscript) | Writings |
| undated | Leaves 3 of 3 [rename to "Clues to Leaves"] | Writings |
| undated | Maps, Harlow's Model | Writings |
| 1927 | "Middle Lamella" | Writings |
| undated | Names of US Timber Trees | Writings |
| undated | [Notebook] | Writings |
| undated | Poison Ivy (pamphlet, 2 copies) | Writings |
| 1942, 1950 | Trees of the United States and Canada (3 copies w/ corrections) | Writings |
| undated | Twig Key | Writings |
| undated | "The Weather -- How does it get that way?" | Writings |
| undated | Woodworking Digest | Writings |
| 1943 | World War II Field Course | Writings |
| 1941-42 | World War II Sabbatical Tour | Writings |
| 1925 | Writings as member of class of 1925 | Writings |
| Estimated & Approx. Date | File Name | Series (See Scope & Content Note) |
| undated | "Acer & Holly" [?] | Photographs |
| undated | "Ailanthus" "Sesculus" [?] "Catalpa" "Diospeyros" [?] "Cornus" [?] "Sassafras" "Nyssa" | Photographs |
| undated | "Auacar diaceae" [?] | Photographs |
| undated | "Birches orig." | Photographs |
| undated | "bld [?] & New picts 5th Ed. TBD" "5th" | Photographs |
| undated | "Carya" [?] "except paper sh. pecan & C. glibra" [?] | Photographs |
| undated | "Castanea Fagus [?] & White Oaks" | Photographs |
| undated | "Confier seedlings" "Tamarack" "Balsam fir" "Ginkgo" | Photographs |
| undated | "Cupressaceae" [?] | Photographs |
| undated | "Enlargements Confiers TV" | Photographs |
| undated | "Fraximus" | Photographs |
| undated | "Hard Pines" | Photographs |
| undated | "Hdivd [?] Seedlings" "Sierra profile" "white ash twigs fast & slow" | Photographs |
| undated | "Juglans" | Photographs |
| 1975 | "Lacona Pines [?] 1922 & 1972!" "P. Std. 1975 story" | Subject Files |
| undated | "Legunimosae" [?] | Photographs |
| undated | "Liquidam [?] for Hanamelis" | Photographs |
| undated | "Low Power-Neg. Prints" "Native Woods" "Sum. Camp Yosemite, etc." | Photographs |
| undated | "Magnoliaceae" | Photographs |
| undated | "Misc." | Photographs |
| undated | "Morus Tilia" | Photographs |
| undated | "Orig. Fruit Key Photos (Plates)" "black tupelo" | Photographs |
| undated | "Original Photos Pine Needle Bul. [?]" | Photographs |
| undated | "Picea" "lueonplite" [?] | Photographs |
| undated | "Ponderosa Pine Bark Plates" | Photographs |
| undated | "Populus & Salix" [?] | Photographs |
| 1965 | "Prints Burning Redwood box" | Photographs |
| undated | "Red Oaks" | Photographs |
| undated | "Rosaceae" [?] | Photographs |
| undated | "Soft Pines" | Photographs |
| undated | "Sycamore orig." | Photographs |
| undated | "Taxa diaceae" [?] "Taxales & Taxaceae" [?] | Photographs |
| undated | "Trees of East. U.S. & Canada" | Photographs |
| undated | "Twig Key Photos" | Photographs |
| undated | "Ulmus [?] & Celtis" | Photographs |
| undated | "Wood Book & Xtras" "Patterns Book Photos Xtras" | Photographs |
| undated | "Xtra Prints TB Dend" | Photographs |
| undated | china cabinet | Photographs |
| 1955 | Golden Reel Award Photographs | Photographs |
| 1940 | Life Magazine Story | Photographs |
| undated | Maps, photographs 8x10 | Photographs |
| 1981 | Moon Dedication Event & Class of 1981 | Photographs |
| undated | Onondoga County Events | Photographs |
| undated | Patterns of Life | Photographs |
| Title | Copies | Duplicated Elsewhere? |
| Art Forms from Plant Life | 2 -- both inscribed | No -- bound book is unique |
| Contributions to Chemistry of the Plant Cell Wall | Yes -- Harlow's files | |
| Fruit Key and Twig Key to Trees and Shrubs | 1 | No |
| Fruit Key to Northeastern Trees | 1 | No |
| Inside Wood | 3 -- 2 inscribed (to library & archives) | Yes -- correction copy |
| New Leica Manual | 1 -- inscribed TO Harlow | No |
| Patterns of Life | 1 | No |
| Poison Ivy and Poison Sumac | 3 | No -- this edition is unique |
| Textbook of Dendrology | 4 -- none Harlow's | Yes -- correction copies |
| The Effect of Site on the Structure and Growth of White Cedar Thuya occidentalis L | 2 | No |
| Trees of the Eastern United States and Canada | 2 -- both inscribed | Yes -- correction copies |
| Ways of the Woods | 1 | No -- bound book is unique |
| Estimated & Approx. Date | File Name | Series (See Scope & Content Note) |
| Box 1 | ||
| undated | Wallet [?] | Personal Artifacts/Objects |
| 1957-82 (inc.) | Diaries/Daybooks | Writings -- Diaries/Daybooks |
| Box 2 | ||
| undated | Leaves (6 bags) | Photographs and Negatives |
| undated | Msc. Negatives & Slides | Photographs and Negatives |
| undated | Misc. Prints & Negatives | Photographs and Negatives |
| undated | Misc. Prints | Photographs and Negatives |
| undated | Misc. rolled negatives [very stiff -- use caution] | Photographs and Negatives |
| Box 3 | ||
| 1986 | Inside Wood correction copy | Writings |
| 1950-1979 | Textbook of Dendrology (3rd-6th editions) correction copies | Writings |
| Box 4 | Ways of the Woods | |
| 1976 | Permissions - Ways of the Woods (2 folders, with index) | Correspondence Files |
| 1980 | Ways of the Woods - publication correspondence | Correspondence Files |
| undated | Guide(s) to negatives | Photographs and Negatives |
| 1976 | Ways of the Woods negatives | Photographs and Negatives |
| undated | Ways of the Woods prints/plates [loose] | Photographs and Negatives |
| undated | Ways of the Woods - collected writings, annotated | Writings |
| Box 5 | ||
| 1942 | Trees of the Eastern United States and Canada [papers] | Correspondence Files |
| undated | Certificates | Personal Artifacts/Objects |
| 1942 | Copyright Certificate of Registration -- Twig Key Illustrations, Motion Picture | Personal Artifacts/Objects |
| undaed | Film Flyers & Announcements | Personal Artifacts/Objects |
| 1950s & 60s | Film & Photography Certificates, 1950s-60s | Personal Artifacts/Objects |
| 1951 | Henry Gross and His Dowsing Rod [gift to Harlow] | Personal Artifacts/Objects |
| 1977 | Seven Sections From the Dreams of Jesse Bowman [gift to Harlow] | Personal Artifacts/Objects |
| undated | Scrapbook Files (7 folders) | Personal Artifacts/Objects |
| undated | Canoe | Photographs and Negatives |
| undated | Crafts | Photographs and Negatives |
| undated | Dendrology | Photographs and Negatives |
| undated | Dr. Harlow | Photographs and Negatives |
| undated | Misc. | Photographs and Negatives |
| undated | Trees | Photographs and Negatives |
| Box 6 | Inside Wood | |
| 1973 [?] | Misc. Inside Wood correspondence | Correspondence Files |
| 1970 | Illustrative Plates (10 folders) | Photographs and Negatives |
| undated | "OVERS" "Mounted photos ... not used" | Photographs and Negatives |
| undated | Misc. Photos | Photographs and Negatives |
| undated | "Photos Wood" | Photographs and Negatives |
| undated | "Wood Photos & other Anatomy" | Photographs and Negatives |
| undated | "Xtra Wood Book Prints" | Photographs and Negatives |
| Box 7 | Dendrology | |
| undated | Boxes and envelopes of negatives | Photographs and Negatives |
| undated | Negatives on 35mm film (2 canisters) | Photographs and Negatives |
| undated | Negatives roll | Photographs and Negatives |
| Box 8 | Art Forms | |
| 1976 | Misc. Art Forms black and white prints (loose) | Photographs and Negatives |
| Box 9 | ||
| 1928-39 | Harlow & Wise Reprint Articles | Writings |
| 1967 | Preview Article -- Patterns of Life (reprint) | Writings |
| undated | Reprint Articles | Writings |
| 1977 | Reprint Article -- Stop Walking Away the Wilderness | Writings |
| undated | Reprints | Writings |
| 1950s [?] | "Seedling Forest Trees" | Writings |
| 1952 | "The Weather -- How Does it Get That Way?" | Writings |
| 1923 | "Week-End Trips to the Adirondacks" (2 copies) | Writings |
| Box 10 | Dendrology | |
| undated | Negatives [Harlow's names to be recorded on refoldering] | Photographs and Negatives |
| Box 11 | ||
| undated | Illustrative Plates | Photographs and Negatives |
| Box 12 | ||
| undated | Misc. Negatives | Photographs and Negatives |
| Box 13 | ||
| 1979 | Textbook of Dendrology 6th edition galley (flat box) | Writings |
| Box 14 | ||
| undated | Misc. Photographs | Photographs and Negatives |
| Series Framed Prints with Guide (displayed in library) | |
| Wooden box of 22 black & white prints donated by Harlow to archives | Donated to the Archives 1979 |