planning pamphlets National policy for aviation : aircraft production, air forces, air commerce / a statement by the NPA Board of trustees and a report by the … Fighting divisions / E.J. Kahn and Henry McLemore National security and the general staff / by Otto L. Nelson special publication Relation between plane rectangular coordinates and geographic positions / by Walter F. Reynolds special publication First-order leveling in Hawaii / by Howard S. Rappleye World war II : a concise history / by Roger W. Shugg and H.A. DeWeerd Aircraft radio shop practice - USA Voorschrift, Technical Manual, 1-470 Aircraft mechanics tools - USA Voorschrift, Technical Manual, 1-425 Field service regulations : operations / prepared under direction of the chief of staff - USA Voorschrift, Field Manual 100-5 field manual Field service regulations : administration / prepared under direction of the chief of staff united states magnetic tables and magnetic charts for ... United States magnetic tables and magnetic charts for 1935 / Herb. Howe and Dav. G. Knapp special publication Leveling in Massachusetts, Rhode Island, and Connecticut / C.J. Clifford