Field and depot maintenance manual : propelling unit, marine outboard, diesel driven, 165 hp, design 9002 (Murray & Tregurtha Harbormaster model OA6(TC)) serial numbers 216 thru 305, FSN 2010-278-0793.

"February 1962."

Organizational maintenance, second echelon : frequency shift converter CV-278/GR.

"May 1959."

St. Lawrence waterway : hearings before a subcommittee of the Committee on Foreign Relations, United States Senate, Seventy-second Congress, second session, on S. Res. 278, a resolution authorizing the Committee on Foreign Relations to make an investigation and to hold hearings respecting matters touching the St. Lawrence Waterways treaty, November 14 to December 3, 1932.

Mode of access: Internet.