Francis H. Kortright

• Graphic selling charts for life agents
• The ducks, geese and swans of North America
• Ducks, Geese, and Swans of North America; a Vade Mecum for the Naturalist and the Sportsman
• How to identify ducks
• Ontario's future?
• Ontario's future? Conservation or else
• Ontario's future? Conservation or else
• Scientific Descriptions, Identifications, and Life Stories of Ducks, Geese and Swans in North America and Europe
• The ducks, geese, and swans of North America
• This conservation business