Instructiefilm : tankherkenning (spot that tank) - Koninklijke Landmacht Voorschrift : trainingscirculaire nr 103 Frank Leslie's illustrated history of the Civil War : the most important events of the conflict between the states graphically pictured : stirring battle scenes … war department technical manual Spotting sets PH-32-B, C, D and F, and spotting set AN/TVQ-1 Flash spotting, sound ranging and R.A. survey stores : section V 3 war department technical manual Spotting set PH-32-B seat of war in the East : from drawings taken on the spot / W. Simpson Spot op de landmacht : honderd jaar politieke prenten over het Nederlandse leger / H. Amersfoort
