Sanborn Maps: Index to on-line atlases at Penn State Univ. Libraries
-- Selected volumes, 1916-22: collection page

Vol. 1: 1916

Vol. 2: 1916

Vol. 3: 1916

Vol. 4: 1917

Vol. 5: 1917

[Vol. 6:  n.a.]

Vol. 7: 1918

Vol. 8: 1917

Vol. 9: 1919

Vol. 10: 1920

Vol. 11: 1920

Vol. 12: 1920

Vol. 13: 1921

Vol. 14: 1922

[Vol. 15: n.a.]

Vol. 16: 1922

Devised in March 2017 by Christopher Bechen, Tejan Walcott, Juelun Wei, Ruoli Yang, and Jeffrey Cohen in City 306 at Bryn Mawr College. With thanks to Richard C. Boardman, retired curator of the Map Collection at the Free Library of Philadelphia.