| Ethnologue: Languages of the World. (17th edition) MP Lewis, GF Simons, CD Fennig Ethnologue: Languages of the world,, 2014 | 7529* | 2014 |
| Assessing endangerment: expanding Fishman’s GIDS MP Lewis, GF Simons Editura Academiei Române, 2010 | 809 | 2010 |
| Ethnologue: Languages of the world (19th edition) MP Lewis, GF Simons, CD Fennig Online version: http://www. ethnologue. com, 2016 | 475* | 2016 |
| The world’s languages in crisis: A 20 year update GF Simons, MP Lewis Responses to Language Endangerment: In Honor of Mickey Noonan. New …, 2013 | 163 | 2013 |
| Towards a categorization of endangerment of the world's languages MP Lewis SIL International, 2005 | 79 | 2005 |
| Sustaining linguistic diversity: Endangered and minority languages and language varieties S Romaine, WY Leonard, MP Lewis, GR Guy, AMS Zilles, C Mallinson, ... Georgetown University Press, 2008 | 78 | 2008 |
| Sustaining Language Use: Perespectives on community-based language development MP Lewis, GF Simons SIL International, 2016 | 71* | 2016 |
| Ethnologue: Languages of the world (18th edition) MP Lewis, GF Simons, CD Fennig Dallas, Texas: SIL International, 2015 | 42* | 2015 |
| Assessing ethnolinguistic vitality: Theory and practice: Selected papers from the Third International Language Assessment Conference GE Kindell, MP Lewis Sil International, Global Publishing, 2000 | 39 | 2000 |
| Rating the vitality of sign languages JA Bickford, MP Lewis, GF Simons Journal of Multilingual and Multicultural Development 36 (5), 513-527, 2015 | 34 | 2015 |
| Language cultivation in contexts of multiple community languages MP Lewis, B Trudell The handbook of educational linguistics, 266-279, 2008 | 33 | 2008 |
| Evaluating endangerment: Proposed metadata and implementation MP Lewis Sustaining linguistic diversity: Endangered and minority languages and …, 2008 | 25 | 2008 |
| Ethnologue;; Languages of the world (16th edition) PM Lewis, SF Gary, LM Paul, GF Simons, CD Fennig Sil international, 2013 | 24* | 2013 |
| Language MP Lewis, B Trudell A Guide to Bible Translation: People, Languages, and Topics, 544-547, 2019 | 21* | 2019 |
| Afterword: disendangering languages M Kontra, MP Lewis, T Skutnabb-Kangas Towards Openly Multilingual Policies and Practices: Assessing Minority …, 2016 | 20 | 2016 |
| K'iche': A Study in the Sociology of Language MP Lewis Sil International, Global Publishing, 2001 | 16 | 2001 |
| Real men don't speak Quiche: Quiche ethnicity, Ki-che ethnic movement, K'iche' nationalism MP Lewis Language problems & language planning 17 (1), 37-54, 1993 | 14 | 1993 |
| Power and solidarity as metrics in language survey data analysis MP Lewis Assessing ethnolinguistic vitality: Theory and practice, 79-102, 2000 | 12 | 2000 |
| Language maintenance in seven K'iche'communities MP Lewis LSA Parasession 2, 1-13, 1996 | 12 | 1996 |
| Measuring K'iche'(Mayan) Language Maintenance: A Comprehensive Methodology. MP Lewis | 12 | 1995 |
Gary F. SimonsSIL InternationalVerified email at sil.org
