Leander Sylvester Keyser

1856 – 1937

• A handbook of Christian psychology
• A manual of Christian ethics
• A system of Christian evidence
• A system of general ethics
• A system of natural theism
• Bird-dom
• Birds of the Rockies
• Contending for the faith
• Election and conversion
• In bird land
• Man's first disobedience
• News from the birds