TM 11-6625-278-20P  Repair parts and special tools.  R.F. Signal Generator Set AN/URM-25D.  12 November 1964.
TM 11-6625-603-40P  Repair parts and special tools.  R.F. Signal Generator Set AN/URM-25F.  August 1973.
TM 11-5551B  Instruction Book for R.F. Signal Generator Set AN/URM-25B. 25 January 1954.
NAVSHIPS 0967-187-5010.pdf  Instruction Book for R.F. Signal Generator Set AN/URM-25D, G, H. rev. 7 December 1966.
NAVSHIPS 92134(A).pdf  Instruction Book for R.F. Signal Generator Set AN/URM-25D.  17 March 1955.
NAVSHIPS 92495.pdf  Instruction Book for R.F. Signal Generator Set AN/URM-25F.  12 May 1955.
TM 11-5551C.pdf  Instruction Book for R.F. Signal Generator Set AN/URM-25C.  January 1954.
 
These files are made available with the compliments of August Johnson, KG7BZ.