| January, 1990 | James J. MacKenzie and Mohamed T. El-Ashry
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| April, 1998 | Marta Miranda with Alberto Blanco-Uribe Q., Lionel Hernández, José Ochoa G., and Edgard Yerena
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| April, 2002 | Susan Minnemeyer, With contributions from Tyson Walker, Jean-Gael Collomb, Linda Cotton, and Dirk Bryant
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| February, 2002 | Dan Tunstall, Norbert Henninger, Robin P. White
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| June, 2004 | |
| August, 2007 | Zachary Sugg |
| June, 2007 | Susan Minnemeyer, Matthew Steil, Lawrence Ayenika Nsoyuni, Benoit Mertens |
| December, 2012 | Benoit Mertens, Matthew Steil, Pascal Douard, Bertrand Tessa, Jennifer Bangoura, Marcel Ibara, Pierre Methot, ... |
| October, 2002 | Lars Laestadius, Dmitry Dobrynin, Alexander Isaev, et. al. |
| February, 2003 | Suzie Greenhalgh and Amanda Sauer
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