[Book] "The Voynich Manuscript" (Watkins reproduction)

[-JKP-]

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But they are protected, because reproduction rights may depend upon contract law. Put simply, access to the material may be subject to a ban upon reproduction or other conditions.

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Yes, good point. Depending on how the material is accessed, the person viewing it may be required to sign an agreement before seeing it. When I was doing research at one of the reserve reading rooms in one of the bigger libraries, I had to sign an agreement not to use the material in any commercial publications before I was permitted into the room. Some also have restrictions on whether material may be photographed.