Bibliothèque nationale de France (BNF)
Contains an enormous amount of information including many cycling and motorcycle images from the early 20th century by Jules Beau, some of which may also be found under his name in Wikipedia.
gallica.bnf.fr
Graffigny, Henry de (1863-1934). Auteur du texte. Guide-manuel
pratique du motocycliste / par H. de Graffigny,.... 1900.
Graffigny 1900
Graffigny 1900, Preface (with English translation)
The book may also be found at Google Books, ie: petitjean+et+sevette
