Working instructions (Canadian) : Wireless sets no. 19 : mark II, as manufactured in Canada and the U.S.A. / published by the director of signals … Army extension courses. Special text : Combat orders : infantry / prep. under the dir. of the Chief of Infantry for use with the Extension … Army extension courses. Special text : Military law : the law of military offenses / prep. under the dir. of the Judge Advocate General for … Army extension courses. Special text : Ordnance district organization and administration / prep. under the direction of the Chief of Ordnance for use with the … Army extension courses. Special text : Medical department administration / prep. under the dir. of the Surgeon General for use with the Army Extension Courses Army extension courses. Special text : Medical aspects of chemical warfare / prep. under the dir. of the Surgeon General and the Chief of Chemical … Army extension courses. Special text : Sanitation of camps and stations / prep. under the dir. of the Surgeon General for use with the Extension … Army extension courses. Special text : Coordination between the procuring and paying agencies of the army / prep. under the dir. of the Chief of … Army extension courses. Special text : Statement of money accountability / prep. under the dir. of the Chief of Finance for use with the Extension … Army extension courses. Special text : Signal supply / prep. under the dir. of the Chief Signal Officer for use with the Extension Course of … Army extension courses. Special text : Command, staff and logistics : infantry / prep. under the dir. of the Chief of Infantry for use with … Army extension courses. Special text : The Air Corps supply system / prep. under the dir. of the Chief of The Air Corps for use …