Hassmann, Karl books & textbook
New-World Science Series; Primer of Hygiene
Ritchie, John W. Caldwell, Joseph S. Hassmann, Karl Heyer, Hermann
Leopold Classic Library /2018-01-29 Paperback / 194 Pages
Primer of Sanitation: New World Health Series, Book II
John W.; illustrated by Hassmann Karl Ritchie
World Book Co. /1917-01-01 Hardcover
Primer of sanitation;: Being a simple work on disease germs and how to fight them, (New-world science series)
World Book Company /1912T Hardcover
Cartilla De Higiene Personal (1913) (English and Spanish Edition)
Ritchie, John Woodside Hassmann, Karl Troncoso, Manuel Uribe y
Kessinger Publishing /2010-09-10 Paperback / 250 Pages
isbn-10: 1168087376 / isbn-13: 9781168087379
