Earl W. Stevick, Adapting and Writing Language Lessons… (1971)
“ Rules require remittance in advance of shipment. Check or money order should be made payable to the Superintendent of Documents. Postage stamps and foreign money are not acceptable. Tapes for the above courses are available from the National Audiovisual Center, National Archives and Record Service, GSA, National Archives Building, Room G-5, Washington, D.C. 20408. ”
