ピッツバーグ・ライトレール
Kenneth C.Springirth (2006). Pittsburgh Streamlined Trolleys. Images of rail. Arcadia Publishing. ISBN 9780738549415
Ed Totin; Rick Hannegan (1988 May 8-11). Light Rail Transit New System Successes at Affordable Prices. Transportation Research board. pp. 458-467. https://onlinepubs.trb.org/Onlinepubs/sr/sr221/221-031.pdf 2023年8月11日閲覧。