- Hand, C. (1960). Ptychodactiaria, in: McGraw-Hill Encyclopedia of Science and Technology. pp. 88, more
- Hand, C. (1960). Radiata, in: McGraw-Hill Encyclopedia of Science and Technology. pp. 213, more
- Hand, C. (1960). Corallimorpharia, in: McGraw-Hill Encyclopedia of Science and Technology. pp. 476, more
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