Dreiradler Die Freude am Beiwagerl
Gespann-Lexikon
Bernhard Götz has a deep knowledge of motorcycle sidecar combinations. He has written several books and papers on the subject, and is the founder of MOTORRAD-GESPANNE magazine, which he edited for many years.
Web: Gespann-Lexikon
The Sidecar Catalog ~ Hal Kendall
Published 1988, updated 2003
Hal built his first sidecar outfit in 1953 in Melbourne, Australia. He has built and driven many outfits in Australia, the United States and the UK.
H. A. Kendall, Ph. D., Co-Founder, Past President, and past Executive Secretary, USCA, Inc.
The United Sidecar Association Inc.
Projekt Eindruck
Leipzig and its third wheel – motorcycle sidecars from and in Leipzig
Sidecars On Line magazine, by John Procter
Many issues available at issuu.com/johnprocter7
Uncatalogued:
https://www.advrider.com/f/forums/hacks.56/ Enormous amount of information in the "Hacks" section.
https://www.sidecarjohn.co.uk/sidecars_on_line_back_issues.html Sidecar John's Sidecars On Line pdf (a little fiddling required to find the correct url format, typically
https://drive.google.com/file/d/1uc4OEeuAzZHyUZVsO65bqGBgfB_ac6--/edit