The following is a list of William Harlow's films located in the Terrence J. Hoverter Archives - Moon Library - SUNY College of Environmental Science and Forestry - Syracuse - New York. These film names are taken from the over 100 film canisters in the archives.
- River otters
- Flowers opening, river rapids, N.Y.
- Sunsets, moon, clouds
- Formica story
- Trees and men
- Time lapse flowers
- Buds - plant growth
- Sun, clouds, moon
- Tree identification
- Insects
- Seeds - germination
- Flowers
- Time lapse flowers opening - roots growing - winter
- Lake Louise
- Lake Louise - 2nd ed.
- Lake Louise - Cloudland
- Tree portraits
- Molds
- Plant motions and insects
- Trees - how to know them
- Flytraps, mantis, tent caterpillar, bee on willow
- Winter
- Duckweed
- Autumn leaves and colors
- Time lapse opening flowers
- Forestry in NY
- Wood decay by fungi
- See germination
- Insect catchers
- Forests and health
- Exploration inside
- Onions
- Opening flowers
- How pinecones reproduce
- Amaryllis snowtop fungus on tomato
- Squirrel
- Winter scenes
- Taped squirrels
- Garden motions and germination
- Flowers and two sunsets
- Indian Tipi Boy Scouts of America
- Insect catchers
- Forest a war weapon
- Opening flowers
- Ranger School logging operations
- Wood eternal
- Squirrels
- Gathering pulpwood winter in Adirondacks
- Silent color review
- Muskrats
- Hardwood for pulpwood
- Wood decay - animation
- Garden
- River
- Studies of trees
- Insect catchers of the bog jungle - plant traps
- Ottawa 64 changing guard
- Wood
- S.U. Tower dorm
- Mantis, tent caterpillar, butterfly thistle
- Mechanized logging demonstration
- Bay of Fundy
- Tides
- Wood decay
- Paper testing - tree treatment
- Woodsman’s field days Tupper Lake 1949
- Indian Tipi
- Flowers
- Seeds - germinating fruits
- Cattails
- River, An allegory
- Cottonweed
- 14 Days in the Germination of Abies Seed
- Blue Jays
- Plant responses
- Flowers opening
- Bean germ
- Bog Trot
- Mushrooms
- Pinecones
- Muskrats
- Junior raindrop
- Plywood from log to living room
- Bumblebee
- Garden-corn to light
- From wood fibers to paper
- Plant traps
- Plant Motions
- Grand Canyon
- Exploring with the time-lapse camera
- Wood detective
- Wood fibers to paper
- Wood decay by fungi
- From wood fibers to paper
- Time lapse of studies of growing trees
- New Horizons for Wood
- W-O-O-D Masterpiece of creation
- Ocean tides
- Trees, how to know them
- Flowers at work
- Flowers at work - 2nd ed.
- Seed dispersal
- Seed dispersal - 2nd ed.
- Seed germination
- How pine trees reproduce
