| Ref. No. | Title |
|---|---|
| 90054 | Studies on marine Bryozoa. VII. Hippothoa. |
| 90142 | Bryozoa of the United States Navy's 1947-1948 Antarctic Expedition, I-IV. I. Barentsia discreta. II. Family Cellariidae. III. Sclerodomidae. IV. Families Umbonulidae and Smittinidae. |