TY - GEN AU - Michael Freyer,H P TI - [Not Available] SN - 0177-5227 PY - 2000///0602 KW - Animal Population Groups KW - Animals KW - Curriculum KW - Germany KW - History, 18th Century KW - History, 19th Century KW - History, 20th Century KW - Textbooks as Topic KW - history N1 - Publication Type: Historical Article; Journal Article ER -