There are several online available sources:
Raimond Henry 1995:
https://www.rennrad-news.de/forum/threads/der-rebour-thread.147478/post-4113340
David Herlihy 1993, based on an interview with Daniel's brother Rodolphe Rebour:
https://www.sheldonbrown.com/bridgestone/1993/pages/18.htm
ditto 1995:
Jean-Pierre Pradères 1996, based on an interview with Rebour's widow Simone Rebour
https://forum.tontonvelo.com/viewtopic.php?p=516649#p516649
Jean Bourdache 2013, focus on Rebour's 1930 - 1950 work for "Moto Revue", where Bourdache had been employed since 1951
http://zhumoriste.over-blog.com/article-daniel-rebour-moto-et-cycliste-119391325.html
Not online is an article in Heine's "Vintage Bicycle Quarterly" by Praderes 20 years ago and an article based on an interview with Daniel himself in a Japanese "New Cycling" magazine article from 1976.
To my knowledge this is the complete secondary literature on Daniel Rebour.
My own sources are also the original "Le Cycle" magazines (I have 486 of 488 and the missing two to as scan copies), "Le Cycliste" magazines (complete from 1930 onwards) and "L'Officiel du Cycle" magazine (first 100 editions from 1975 onwards), original catalogues (Herse and Singer complete, Pitard, Goeland) etc. etc.
I also refer to newspapers and magazines scanned at Gallica BNF, such as "L'Auto", La Pedale" "Cyclo Magazine" and others.
I'm really interested in these numerous articles about Rebour. I could not find any other than above mentioned.
Van der Plas' Rebour book is a good one, I have all editions. But it is problematic regarding several facts.
I will not write a book. The days of using books to obtain information are over, at least for the majority of people. Nobody would buy a biography about Rebour. Coffee table books yes, but we already have a good one of those (see above). So my article about Rebour in the current issue of “Bicycle Quarterly” is also accompanied by well over a hundred illustrations and photos (both parts). A coffee table book would probably do it the same way.
If anyone is really interested in certain illustrations in Van der Plas' Rebour book: each drawing is accompanied by the relevant source from “Le Cycle”. With this source reference the reader will be able to find
my own “Le Cycle” scan on Flickr, where the original French text for the drawing and the English translation can be found.
If that's not enough, you are welcome to leave a question there, such as “Can you find any more information on this matter in the magazine?” I will answer the question as best I can.
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