The UST Library has four copies in good condition. One copy of the first edition (1895) with a notation by the author was given to Fr. Rector, Santiago Payá, O.P.; two copies of the second edition (1903); and two copies of the third edition (1908). The seal of the Dominicans Veritas and the ownership mark of the Biblioteca del Colegio de Sto. Tomás are featured on the title page of the book.