Feustel, R. M. (1922). Report on behalf of the city of Philadelphia on the valuation of the property of the Philadelphia Rapid Transit Co., before the Public Service Commission of the Commonwealth of Pennsylvania: City of Philadelphia vs. Philadelphia Rapid Transit Co., docket no. 3504. [Philadelphia, Pa.?: s.n..

Feustel, Robert M. Report On Behalf of the City of Philadelphia On the Valuation of the Property of the Philadelphia Rapid Transit Co., Before the Public Service Commission of the Commonwealth of Pennsylvania: City of Philadelphia Vs. Philadelphia Rapid Transit Co., Docket No. 3504. [Philadelphia, Pa.?: s.n., 1922.

Feustel, Robert M. Report On Behalf of the City of Philadelphia On the Valuation of the Property of the Philadelphia Rapid Transit Co., Before the Public Service Commission of the Commonwealth of Pennsylvania: City of Philadelphia Vs. Philadelphia Rapid Transit Co., Docket No. 3504. [Philadelphia, Pa.?: s.n., 1922.