Robert Ronald Campbell

James Duncan Campbell

Preliminary Material /Robert Ronald Campbell --Campbell's Early Years, 1833-1853 /Robert Ronald Campbell --Campbell in the British Civil Service, 1856...

Updated Status Report on the Spotted Gar, Lepisosteus Oculatus, in Canada

The spotted gar, Lepisosteus oculatus, occurs in fresh and brackish waters of the Gulf of Mexico, the Mississippi River basin, and Great Lakes basin. ...

Status Report on the Warmouth, Lepomis Gulosus, in Canada

The warmouth, Lepomis gulosis, is a small sunfish resembling the rock bass. Although widespread in the eastern United States, it has been recorded in ...

Lake, River and Sea-run Fishes of Canada

Includes a special chapter, Canada's aquatic heritage by Robert R. Campbell....

Updated Status Report on the Spotted Sucker, Minytrema Melanops, in Canada

The spotted sucker, Minytrema melanops, is a medium sized catostomid fish that ranges through much of central and eastern North America but is rare in...

English Composition for Foreign Students

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Augustine Heard and Company, 1858-1862

American Merchants in China

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