The Secretary of State shall cause the roster to be printed and shall distribute copies free of charge, as follows: To the Governor, 50 copies; to the Lieutenant Governor, 30 copies; to each member of the Senate and to each member of the Assembly, 30 copies; to each elective State officer, each head of a State department, each county clerk, each public library upon request, each Governor and each Secretary of State of a State of the United States, one copy. The remaining copies may be distributed, singly and free of charge to any person requesting them.