A study-book in general scienceWilbur L. Beauchamp, Miller Harold H., Charles John Pieper · First published 1935Open the Tome
Objective unit tests on Everyday problems in biology .Charles John Pieper · First published 1934Open the Tome
Teacher's guidebook for Everyday problems in biologyCharles John Pieper · First published 1934Open the Tome
Everyday problems in scienceCharles John Pieper · First published 1925 · Latest edition 1933Open the Tome
Teacher's guidebook for Everyday problems in scienceCharles John Pieper · First published 1926Open the Tome
