Книги автора «Mary Treat»

Home studies in nature (Mary Treat)

Injurious insects of the farm and garden. With a chapter on beneficial insects (Mary Treat)

Through A Microscope. Something Of The Science, Together With Many Curious Observations Indoor And Out, And Directions For A Homemade Microscope (1885) (Samuel Wells,Frederick Leroy Sargent,Mary Treat)