78142.git, branch main Handbook of nature-study for teachers and parents Initial commit of ebook 78142 files 2026-03-08T16:40:08+00:00 www-data www-data@mail.pglaf.org 2026-03-08T16:40:08+00:00 46a21f3d68fdeea5d228415c30a06f38cc6d6343