- Mulford, John C., cartographer1
- Naeff, M. A., compiler1
- National Highways Association, issuing body1
- Nicholson, W. L.1
- North Pittsburgh Realty Co., issuing body1
- Otley, J. W., cartographer1
- Owens, James Patrick, 1924-1
- Patterson, E. D. (Elmer Davisson)1
- Pennsylvania. Department of Internal Affairs1
- Pennsylvania. Dept. of Forests and Waters1
- Pennsylvania. Dept. of Internal Affairs1
- Pleasants, Ann E., cartographer1
- Plumb, H. S., cartographer1
- Richard, Lawrence V.1
- Richardson, G. B.1
- Richardson, G. B. (George Burr), 1872-19491
- Sanborn-Perris Map Co.1
- Scull, Nicholas, 1686?-1761?, cartographer1
- Senex, John, -17401
- Shaw, R. S.1
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