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ARCH 3302 Tall Tales Library and Archive Research Guide: Primary Source Research Beyond Yale

What is a Primary Source?

A primary source is a document that provides firsthand testimony or direct evidence concerning a topic or question under investigation. A primary source can come in many forms, including but not limited to: maps, drawings, photographs, prints, posters, diaries, newspapers, government documents, correspondence, objects and artifacts, and audio visual materials like film and oral histories. 

New York City Buildings

This is a comprehensive but not exhaustive list of resources for locating primary source documentation of New York City buildings:

Additional Repositories

  • ArchiveGrid: searches archival repositories across the US
  • Columbia University Avery Drawings and Archives
    • For reference inquiries, please email: avery-drawings@columbia.edu.
    • For inquiries about digital surrogates or digitization, staff will verify if drawings are already digitized.
  • Library of Congress: the Prints & Photographs Division has a significant portion of their holdings available online. Use the main search text to find available imagery.