1. After the Ice Age
   The Return of Life to Glaciated North America
   Resource Type: Book
   Published: 1991
   
2. Ashbridge's Bay
   An Anthology of Writings by Those Who Knew and Loved Ashbridge's Bay
   Resource Type: Book
   Published: 1998
   The story of a great freshwater marsh destroyed by urbanization.
   
3. Atlas of the Breeding Birds of Ontario
   Resource Type: Book
   Published: 1987
   
4. A Bird-Finding Guide to Ontario
   Where the birds are and how to get there
   Resource Type: Book
   Published: 1982
   
5. The Climates of Canada
   Resource Type: Book
   Published: 1990
   
6. The Earth Science Book
   Activities for Kids
   Resource Type: Book
   Published: 1993
   Activities that explain basic Earth science facts and important environmental issues. Using simple materials found around the house or in the neighbourhood, these activities are designed to teach children about the planet Earth, its composition and atmosphere, life on Earth, and much more.
   
7. Ecodefense
   A Field Guide to Monkeywrenching. Second Edition
   Resource Type: Book
   Published: 1987
   
8. Environmental Resources of the Toronto Central Waterfront
   Inventory - Interpretations - Synthesis and Performance Requirements for Future Action
   Resource Type: Article/Report/Letter
   Published: 1976
   
9. A Field Guide to Eastern Forests
   Resource Type: Book
   Published: 1988
   A "second-generation" field guide to the ecology of the forests and fields of eastern North America.
   
10. 44 Country Trails
    Resource Type: Book
    Published: 1998
    
11. The Great Lakes
    The Illustrated Natural History of Canada
    Resource Type: Book
    Published: 1970
    
12. A Guide to the Photographic Identification of Individual Whales Based on Natural & Acquired Markings
    Resource Type: Book
    Published: 1990
    
13. The Hike Ontario Guide to Walks Around Toronto
    Resource Type: Book
    Published: 199
    
14. Index to Illustrations of Animals and Plants
    Resource Type: Book
    Published: 1991
    
15. Index to Illustrations of the Natural World
    Resource Type: Book
    Published: 1977
    
16. Legacy
    The Natural History of Ontario
    Resource Type: Book
    Published: 1989
    
17. A Little Wilderness
    A Natural History of Toronto
    Resource Type: Book
    Published: 1983
    
18. The Living Waters
    Resource Type: Book
    Published: 1975
    
19. A Naturalist's Guide to Ontario
    Resource Type: Book
    Published: 1979
    
20. Nature Hikes
    Near-Toronto Trails and Adventures
    Resource Type: Book
    Published: 2000
    
21. Oak Ridges Moraine
    Resource Type: Book
    Published: 1997
    
22. Pond Life
    Resource Type: Book
    Published: 1967
    
23. Saving Graces
    Sojourns of a Backyard Biologist
    Resource Type: Book
    Published: 1991
    
24. Special Places
    The Changing Ecosystems of the Toronto Region
    Resource Type: Book
    Published: 1999
    Special Places explores the changing ecosystem of the Toronto area over the past century, looking at the environmental conditions that influence the whol region and at the surprising range of plants and animals you can find in many of its natural spaces.
    
25. Trails of the Don
    Resource Type: Book
    Published: 1992
    
26. Upper Saugeen Valley Conservation Report
    Resource Type: Book
    Published: 1953
    A detailed report on the upper Saugeen Valley (with important information on the entire Saugeen watershed). Chapters include the Indian Period, Settlement, Mills, Agriculture, Geology, Physiography, General Considerations, Description of Soils, Present Land Use, Conservation Practices, Land Use Capability, Land Economics, Recommended Land Use, The Forest, Forest Products, Present Woodland Conditions, Conservation Measures in Progress, Forest Conservation Measures Required, Forest Insects and Diseases, Land Acquisition, Snow Fences, Windbreaks, Harvesting, Manufacturing and Marketing of Woodland Product, The River, Floods 1837-1951, Encroachments, Underground Water, General Hydraulic Problems, Hydraulics and Control Measures, Flood Control for the Town of Walkterton, Wildlife, Present Species, Improving the Farm for Wildlife, Fish.
    
27. The Urban Landscape
    A Study of Open Space in Urban Metropolitan Areas
    Resource Type: Article/Report/Letter
    Published: 1971
    
28. Watershed Plan Highlights
    Resource Type: Article/Report/Letter
    Published: 1980
    
29. Wetland Plants of Ontario
    Resource Type: Book
    Published: 1997
    
30. Wildlife in the City
    Animals, birds, reptiles, insects and plants in an urban landscape
    Resource Type: Book
    Published: 1982
    
31. The Year of the Turtle
    A Natural History
    Resource Type: Book
    Published: 1991
    

Experts on Image Sources in the Sources Directory

1. MoMA Museum of Modern Art
2. National Archives of the United States
3. National Print Museum
4. Wikipedia, the free encyclopedia
5. World Digital Library