1 | | Easy Puppets: Making and Using Hand Puppets/ Gertrude Pels; Illustrated by Albert Pels . - N.Y.: Thomas Y. Crowell, 1951. - 104p.: ill., 20cm Mã xếp giá: 688.72 P381Đăng ký cá biệt: Lầu 1 TV: TKN0500906 |
2 | | The Care of Water Pets/ Gertrude Pels; Illustrated by Ava Morgan . - N.Y.: William Morrow and Co., 1955. - 95p., 20cm Mã xếp giá: 372.357 P392Đăng ký cá biệt: Lầu 1 TV: TKN0500698 |