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WARNING: Please note! Any information or sources deemed restricted (not cleared for public release) by their respective ownership will not be accepted and will be dealt with according to any legal
requirements,
What is appropriate source material for historical issues?
OEM Manuals (primary source): User manuals, repair manuals, factory manuals, operating manuals, technical manuals etc. Single source is required (preferred source).
Authored works (secondary source): Reference books on collections of vehicles/aircraft/ships ('coffee table books'), biographies, specialist books, "expert" opinion publications, industry magazines etc. At least two unrelated sources required.
Please be reminded that Wikipedia or other private websites are not considered reliable sources.
You need to provide the following information about the source:
Title and if applicable: publication date, document number, ISBN.
Author or organisation
Image of the cover
Images of all the referenced pages and their page numbers
References for photographs