- Author: June Helm Jacob Gruber Nancy Oestreich Lurie Ross Parmenter Ronald P. Rohner
- Language: English
- Year: 1966
- Author: June Helm Royce Kurtz
- Language: English
- Year: 1984
- Author: June Helm Nancy Oestreich Lurie Gertrude Prokosch Kurath
- Language: English
- Year: 1966
- Author: June Helm Nancy Oestreich Lurie Gertrude Prokosch Kurath
- Language: English
- Year: 1966