Laycock skrev eller redigerte 20 bøker, over 100 bokkapitler og 350 artikler i akademiske og populære tidsskrifter. Mange av disse publikasjonene ble viet til miljø- og kanadisk historie, inkludert:
- *City and Suburb:The Political Fragmentation of Metropolitan Toronto, 1893–1924* (1970)
- *Konsepter i byplanlegging* (1973)
- *Politics and Urban Growth:A Study of Metropolitan Toronto* (1974)
- *The Alien and the Aborigine:Three Centuries of Cultural Conflict in Canada* (1978)
- *Skog og gruver:utvikling og ødeleggelse på Labradorhalvøya, 1700–1970* (1980)
- *Legacy:The Historical Geography of Western Canada* (1981)
- *A Wilderness Called Home:A Personal and Historical Journey Across the Canadian North* (1992)
- *Britannia:The Life and Times of the British Columbia Forest Industry, 1871–1980* (1994)
- *Sacred Land:The Western Rockies, Banff–Jasper–Yoho National Parks* (1996)
- *The CPR and Western Landscapes* (1997)
- *The New Environmentalism:The Fighting Back* (1998)
- *Verden rundt Mount Robson* (2000)
- *Laksejakten:15 000 mil rundt det ville stillehavet* (2002)
- *The Rocky Mountain National Parks of Canada:A History* (2004)
- *Nature's Fury, Nature's Grace:The Fraser River Year* (2006)
- *The Last Salmon:A Journey Through Fish, Rivers, and Memory* (2010)
- *Watershed:The Role of Water in the Development of Canadian Society* (med Don Macpherson) (2012)