| Number | Name | Date | Kind |
|---|---|---|---|
| D134954 | Greenberg | Feb 1943 | |
| D211953 | Whittaker | Aug 1968 | |
| D216429 | Greenberg | Jan 1970 | |
| 2844912 | Sebesta | Jul 1958 | |
| 3548786 | Willinger | Dec 1970 |
| Entry |
|---|
| Aquarium Stock Company, Inc. Cat. p. 50 Item No. 5143, p. 53, Item No. 5139A. |
| Sternco, Delta Products Cat. p. 25, Item #879. |