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Access Restrictions
Open to qualified researchers. Materials are stored offsite and advance notice is required for use.
Use Restrictions
This collection is owned by the New-York Historical Society. The copyright law of the United States governs the making of photocopies and protects unpublished materials as well as published materials. Unpublished materials created before January 1, 1978 cannot be quoted in publication without permission of the copyright holder. Photocopying undertaken by staff only. Limited to 20 exposures of stable, unbound material per day.
Note that the audiovisual material in Series IX is restricted due to its fragility and because the New-York Historical Society lacks the necessary playback equipment.