Publisher
- London: published for the Journal of the Royal Geographical Society by J. Murray, Albemarle Street, 1877.1
- Metropolitan Council1
- New York (City). Department of City Planning1
- New York : Sanborn Map & Publishing Co., Limited, 1885.1
- Princeton University Library1
- Stanford Digital Repository1
- State of Maryland1
- The Publisher1
- Uganda Bureau of Statistics1
- United States. Bureau of the Census1
- University of Minnesota1
- University of Minnesota Digital Conservancy1
- Washington, D.C. Central Intelligence Agency, 2002.1