كتب ذات صلة

Study of animal families in schools

Pets : their history and care. With illus. from life.

Our home pets how to keep them well and happy

Pets; their history and care

• Syllabus of lectures. Nature study.
  المؤلفون: Comstock, Anna Botsford
• A manual of the study of insects
  المؤلفون: Comstock, John Henry ,  Comstock, Anna Botsford
• A manual for the study of insects
  المؤلفون: Comstock, John Henry ,  Comstock, Anna Botsford

• An introduction to entomology.
  المؤلفون: Comstock, John Henry
• An introduction to entomology.
  المؤلفون: Comstock, John Henry
• General biology a book of outlines and practical studies for the general student.
  المؤلفون: Needham, James G.