HABS/HAER at Carnegie Mellon

• America Preserved: A Checklist of Historic Buildings, Structures, and Sites Recorded by The Historic American Buildings Survey/Historic American Engineering Record. Washington, D.C.: Library of Congress, Cataloging Distribution Service, 1995.
  HUNT FA-REF-4 720.288 A512 1995
  A print index to sites recorded as of 1994.

• Historic American Buildings Survey
  HUNT MFILM-3 720.288 H6731h
  Reels of microfilm contain HABS measured drawings acquired by the Library of Congress before approximately 1974. All fifty states are included.

• Historic American Buildings Survey
  HUNT MFILM-3 720.288 H6732h
  Microfiche of HABS photographs and data pages acquired by the Library of Congress before 1980. Largely complementary with the above collection of measure drawings. All fifty states are included.

• Historic American Buildings Survey: Part II, Pennsylvania
  HUNT MFILM-3 720.288 H6732h Supp.
  Microfiche of HABS measured drawings, photographs and data pages acquired by the Library of Congress between 1980 and 1988. Pennsylvania only. Indexed on the last few sheets (#223-230) of the michofiche.

• Carnegie Mellon University Architecture Archives: Collections Database
  The Architecture Archives includes blueprints of measured drawings for selected HABS sites. To find these, search "habs" in the record group field.