- WGC PRIME TIMES OCTOBER 1986. 2.
- Woodward Prime Times October 1986.
- Woodward Prime Times March 1987, page 2.
- Woodward Prime Times March 1987.
- WGC PRIME TIMES 1987
- WGC PRIME TIMES 1991
- WOODWARD PRIME TIMES 1991.
- PRIME TIMES 1992. 2.
- PRIME TIMES 1993
- WOODWARD PRIME TIMES 1991.
- Woodward series PGE governor history. 2.
- Woodward series PGE diesel engine governor history.
- WOODWARD PG RAILROAD DIESEL ENGINE GOVERNOR 5
- WOODWARD PG RAILROAD DIESEL ENGINE GOVERNOR 4
- WOODWARD PG RAILROAD DIESEL ENGINE GOVERNOR 3