Elements of zoology (Quezon City G. M. S. Pub., 1977)
A reprint of the same ed. published by McGraw-Hill, New York
"Reprinted by authority of Presidential Decree No. 285 as amended by Presidential Decree No. 400."
3d ed. 1911, by T. I. Storer, R. L. Usinger, and J. W. Nyabakken.