The adjutant general, shall in his discretion and under his direction, order such part of the proceedings as he shall approve, to be printed and bound. A printed and bound copy thereof shall be sent to each post and to each public library of this state together with seventy-five copies for exchange under the direction of the adjutant general. There shall also be sent one hundred advance, unbound copies of the annual report of the department commander and sundry officers for the use of the annual encampment.