1812 19th Street N.W., Washington, D.C. (Reissued HCO – LA) HCO POLICY LETTER OF 25 FEBRUARY 1959 | 1812 19th Street N.W., Washington, D.C. (Reissued HCO – LA) HCO POLICY LETTER OF 25 FEBRUARY 1959 |
HCO MASTER FILE | HCO MASTER FILE |
Everything pertaining to technology, i.e. books, leaflets, magazines, tapes, technical bulletins, and including other bulletins and all policy letters are to be stamped: | Everything pertaining to technology, i.e. books, leaflets, magazines, tapes, technical bulletins, and including other bulletins and all policy letters are to be stamped: |
DO NOT REMOVE | DO NOT REMOVE |
and HCO Master Files are to receive 2 of each of the above items with the exception of tapes where there is only one master copy. | and HCO Master Files are to receive 2 of each of the above items with the exception of tapes where there is only one master copy. |