Robert M. Hamilton

1912

• The Dictionary of Canadian quotations and phrases
• "Miss Drake" - Sarah Anne Drake (1803-1857) the botanical artist
• A catalogue of orchidaceous plants in the collection of the Rev. John Clowes
• American Orchid Society bulletin; supplementary index to plant illustrations 1972-1977, volumes 41-46
• Canadian quotations and phrases
• Canadian quotations and phrases, literary and historical, compiled by Robert M. Hamilton. With an introd. by Bruce Hutchison
• Earthquake hazards reduction program
• John Lindley (1799-1865), "Father of modern orchidology"
• Orchid history in Edward's Botanical Register 1815-1847
• Orchid history in the American Orchid Society bulletin 1932-1991
• Orchid history in the gardener's magazine 1826-44
• Orchideae in the collection of Conrad Loddiges and Sons