Roebuck [1929] ｜ ｜ ｜―Bison [1937] ｜ ｜―Chamois [1946] ｜ ｜―Nyala [1952] ｜ ｜―Will-to-win [1960] ｜ ｜―Willingly [1964] ｜ ｜―Free Verse [1970]