| | Shelling trips |
| | Kiribati 2013 - February 2013 |
| | Ecuador 2013: Land Snail Hunting! - February 2013 |
| | Jamaica - January 2011 |
| | Yucatan - Mexico - February 2010 |
| | Grand Cayman - January 2010 |
| | Turks and Caicos Islands - January 2010 |
| | Minabe - The Shell Center of Japan - May 2009 |
| | Bahamas 2009 - January 2009 |
| | New Zealand 2009 - January 2009 |
| | St. Vincent and Grenadines - January 2009 |
| | Curaçao 2008 - January 2008 |
| | Shelling in Rosario Island, Colombia - January 2007 |
| | Collecting in East Panama - January 2007 |
| | Costa Rica - January 2007 |
| | Natal, Rio Grande do Norte, Brazil - January 2007 |
| | A New Shell Frontier: Fiji Islands - January 2006 |
| | Roatan, Honduras - January 2006 |
| | Cook Islands : Aitutaki - January 2006 |
| | Cook Islands : Rarotonga - January 2006 |
| | New Zealand - January 2006 |
| | Dredging in North Brazil - January 2005 |
| | Bahamas - January 2005 |
| | Marshall Islands - January 2005 |
| | Antigua & Barbuda - January 2005 |
| | Piauí, Brazil - January 2005 |
| | São Tomé and Príncipe - January 2004 |
| | Aruba - January 2004 |
| | United Arab Emirates - January 2004 |
| | Dominican Republic - January 2004 |
| | Mexico - January 2003 |
| | New Caledonia - January 2001 |
| | Ecuador: A new Adventure - January 1998 |
| | Western Samoa - January 1994 |
| | American Samoa - January 1994 |
| | Aruba - January 1992 |
| | Shelling trip to Hawaii - January 1992 |
| | Dredging in Ilhabela - January 1992 |
| | Egypt - January 1991 |
| | Trindade Island - January 1989 |
| | |
| | Shell shows |
| | COA 2013 - Sarasota - January 2013 |
| | Paris Shell Show 2013 - January 2013 |
| | Ottmarsheim – 40 years of a great shell show! - March 2009 |
| | Philadelphia Shell Show 2009 - February 2009 |
| | COA 2009 - Clearwater, Florida - January 2009 |
| | Broward Shell Show 2009 - January 2009 |
| | Space Coast Seashell Festival 2007 - Melbourne, FL - January 2007 |
| | 2006 Philadelphia Shell Show - January 2006 |
| | Paris Shell Show - January 2006 |
| | COA Convention 2005 - Punta Rassa, Fort Myers - Florida - January 2005 |
| | 40th Broward Shell Show - January 2005 |
| | 2004 Philadelphia Shell Show - January 2004 |
| | COA 2004 Convention - Tampa - January 2004 |
| | Shell Show in Paris - January 2004 |
| | |
| | Miscellaneous |
| | Proper identification is important – but collecting data is even more so - February 2009 |
| | Femorale 20 Years - January 2009 |
| | Living with the Coltros: A special experience - January 2007 |
| | MUZUSP - Museum of Zoology - January 2006 |
| | Ultrasonic Cleaner - January 2006 |
| | Otago and Auckland's Museum of Natural History - January 2006 |
| | Colors, textures, forms and surprises when shelling in Ecuador - January 2006 |
| | Megalobulimus - January 2006 |
| | Limitations to shell collecting - January 2006 |
| | Dredging creatures - January 2005 |
| | Brazilian Land Snails - January 2005 |
| | How to bring shells home - January 2005 |
| | Shelling Checklist - January 2005 |
| | The Bailey-Matthews Shell Museum - January 2005 |
| | Brazilian Shell Club - Conquiliologistas do Brasil - January 2005 |
| | Memorabilia - January 2005 |
| | Entering The Academy of Natural History of Philadelphia - January 2004 |
| | Screening - January 2004 |
| | Shell people - January 2004 |
| | Opisthostoma from Borneo - January 2003 |
| | Live Shells Photographed by Cedric Coucom - January 2003 |
| | An Unusual finding in Northeast Brasil - January 2003 |
| | How to clean your findings - January 2003 |
| | |
| | Collectors |
| | Captain William Owen - July 2021 |
| | The Cook´s Collection - April 2009 |
| | Carlos Persak Collection - January 2009 |
| | Collection António Monteiro - January 2008 |
| | Collection Ricardo Guerrini - January 2006 |
| | Arne Ghys - Belgium - January 2006 |
| | Celso Esteves - Brazil - January 2006 |
| | Markus Niiranen - Finland - January 2006 |
| | Carlos Eduardo Proença - Brazil - January 2005 |
| | Hugh Morrison - Australia - January 2005 |
| | Tony McCleery - Ireland - January 2005 |
| | Rich Kirk - Philadelphia - January 2004 |
| | Andre Weber - Switzerland - January 2004 |
| | Eduardo Schirrmeister - Brazil - January 2004 |
| | Luís de Távora - Portugal - January 2004 |
| | Carlos Henckes - Brazil - January 2004 |
| | Dr. Artur Roll Collection - Germany - January 2004 |
| | Bullis collection - January 2003 |
| | |
| | Collections |
| | Old Cameras - January 2007 |
| | |
| | Species description / Books |
| | Land and Fresh Water Molluscs of Brazil - January 2006 |
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