| Number | Name | Date | Kind |
|---|---|---|---|
| D52878 | Grasberger | Jan 1919 | S |
| D53548 | Wilson | Jul 1919 | S |
| D53587 | Grasberger | Jul 1919 | S |
| D53588 | Grasberger | Jul 1919 | S |
| 2824369 | Welch | Feb 1958 | A |
| D207722 | Hart | May 1967 | S |
| D291710 | Mariol | Sep 1987 | S |
| D446087 | Riemer et al. | Aug 2001 | S |
| D499940 | Shane-Schuldt | Dec 2004 | S |
| D555432 | Gartz et al. | Nov 2007 | S |
| D600981 | Holcomb | Sep 2009 | S |
| D617154 | Gartz et al. | Jun 2010 | S |
| D675868 | Liming et al. | Feb 2013 | S |
| D686467 | Barnett et al. | Jul 2013 | S |
| D700022 | Stanford | Feb 2014 | S |
| D745339 | Cetti | Dec 2015 | S |
| D903433 | Stein | Dec 2020 | S |
| 20120324741 | Pookrum | Dec 2012 | A1 |
| Entry |
|---|
| “World Centric website” available Feb. 8, 2021, [online], [site visited Feb. 8, 2021], Retrieved from Internet, URL:https://www.worldcentric.com/ (Year: 2021). |