The mayor and city council of any city of the first class may (1) establish and maintain public libraries, reading rooms, art galleries, and museums and provide the necessary grounds or buildings therefor, (2) purchase the papers, books, maps, manuscripts, and works of art and objects of natural or scientific curiosity and instruction therefor, and (3) receive donations and bequests of money or property for the public libraries, reading rooms, art galleries, and museums in trust or otherwise. The mayor and city council may also pass necessary bylaws and regulations for the protection and government of the public libraries, reading rooms, art galleries, and museums. The ownership of the real and personal property of a public library shall be in the city. The mayor and city council shall approve any personnel administrative or compensation policy or procedure applying to a director or employee of a public library, reading room, art gallery, or museum before such policy or procedure is implemented.