None of the text with active copyrights can not be used for commercial purposes!
QUOTE OF THE LAW ON COPYRIGHT AND RELATED RIGHTS:
Art. 24. (Amended - SG. 77 of 2002) (1) Without the consent of the copyright holder and without payment of remuneration is permissible:
9. (Amended - SG. 99 of 2005) reproduction of published works by publicly accessible libraries, schools or other educational establishments, museums and archives, for educational purposes or in order to preserve the work, if not used for commercial purposes;
10. Reproduction of works made public through Braille or another analogous method, if not done for profit;
11. Access for individuals to work are in the collections of the organizations under item 9, provided that it is done for scientific purposes and no commercial character;