all platforms What is appropriate source material for historical issues?

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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,

If you submit any source material post 1980 and/or marked as classified / confidential that is not clearly marked for use in the public domain, you will be asked to show clear proof of declassification / public release before the source is accepted or used. Being available online or sold is not sufficient proof. 

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