by Frank H. Forrester; Illustrated by Robert Eggers. by Charles H. Hapgood; illustrated by Robert Eggers by Anne H. White, illustrated by Robert McCloskey. by Marian T. Place, illustrated by Robert Bartram. by Richard and Florence Atwater; illustrated by Robert Lawson. by Augusta Goldin; Illustrated by Robert Galster. by Frances Gilbert ; illustrated by Eren Unten. by Ruth A. Sonneborn; illustrated by Robert J. Lee by W. W. Tarn; illustrated by Robert Lawson by April Jones Prince ; illustrated by Robert Squier.