N°48 - Eastern Massachusetts Street Railway: General description of Rolling Stock par O.R. Cummings, 8 pages
N°49 - Railroad Trips from New Haven, Conn., 4 pages
N°50 - The Bay State Street Railway: 1300 and 1700 Class Semi-Convertible Cars par O.R. Cummings, 8 pages
N°51 - The Bay State Street Railway: 4100, 4200 and 4300 Class Semi-Convertibles Cars par O.R. Cummings, 8 pages
N°52 - The Street Railways of Connecticut: Railroad Commissioners Reports, 1907-1913 par Roy S. Melvin, 8 pages
N°53 - The Street Railways of Connecticut: Public Utilities Commission Reports, 1914-1920 par Roy S. Melvin, 8 pages
N°54 - The Connecticut Company: Cars of the 3200 Class - Cherrelyn par Roy S. Melvin, 6 pages 1 plan grand format
N°55 - Eastern Massachusetts Street Railway: Semi-Convertible Cars, par O.R. Cummings - The Electric Railway Systems of U.S. and Canada in 1958, 8 pages 1 plan grand format
N°56 - Eastern Massachusetts Street Railway: Birney Cars par O.R. Cummings, 8 pages
N°57 - Street Railways of Connecticut: Public Utilities Commission Reports, 1921-1930, par Roy S. Melvin, 8 pages