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