Bison [1937] ｜ ｜ ｜―Chamois [1946] ｜ ｜―Nyala [1952] ｜ ｜―Willingly [1964] ｜ ｜ ｜―Amphicat [1970] ｜ ｜―Free Verse [1970] ｜ ｜―Lucy Percy [1984]