Z 444 

Field-artillery-journal. -The Field ArtillerieJournal. 
l)ublished Bi-:'.'Lonthly. 
Vol.13-29. -Washington, D.C.: The U.S.Field 

40

Artil1ery Association 1923-39. 

Vol.15 (1925), Nr 2, Vol.17 (1927), Nr 2 u. 

Vol.18 (1928, Nr 5 fehlen.