Nothing contained in this article shall be construed to apply to:
1. The purchase, distribution, exhibition, or loan of any book, magazine, or other printed or manuscript material by any library, school, or institution of higher education, supported by public appropriation;
2. The purchase, distribution, exhibition, or loan of any work of art by any museum of fine arts, school, or institution of higher education, supported by public appropriation;
3. The exhibition or performance of any play, drama, tableau, or motion picture by any theatre, museum of fine arts, school, or institution of higher education, supported by public appropriation.