00743cam a2200193 4500 2703330779 TxAuBib 20260309120000.0 260308s2026||||||||||||||||||||||||eng|u 78142 Project Gutenberg PGUSA eng TxAuBib Comstock, Anna Botsford, 1854-1930. Handbook of nature-study for teachers and parents [Gutenberg] : b Based on the Cornell nature-study leaflets, with much additional material and many new illustrations / Anna Botsford Comstock. Project Gutenberg, 2026. Project Gutenberg ; 78142 Public domain in the USA. Text. Project Gutenberg ; 78142. http://www.gutenberg.org/ebooks/78142