IN PRINT

(These books are readily available.)

Bicycle: The History

by David V. Herlihy

Yale University Press

New Haven, Connecticut:

2004

The Pedestrian Hobby-horse

by Roger Street

Artesius Publications

Christchurch, Dorset, England

1998

NOT IN PRINT

(These sources may be found in libraries

but are not generally available for sale.)

The Bicycle Era in American History

by Norman L. Dunham

(unpublished Ph. D. thesis)

Harvard University

1956

"The Evidence Against ‘Leonardo’s Bicycle’"

by Prof. Dr. Hans-Erhard Lessing

in Cycling History #8

Cycle Publishing

San Francisco

1998

"Karl von Drais’ Two-Wheeler"

by Prof. Dr. Hans-Erhard Lessing

in Cycling History #1 :

Cycle Publishing

San Francisco

1990

The Selected Papers of Charles Willson Peale and his Family

edited by Lillian B. Miller

Yale University Press

New Haven, Connecticut

1983