| 1. | Organizational Meeting | October 21, 1933 |
| 2. | Organized in Lexington Hotel, New York City, New York | January, 1934 |
| 3. | Salem, Providence & Warwich, Rhode Island | June, 1935 |
| 4. | Cooperstown, New York | August, 1937 |
| 5. | Bronxville, New York | June, 1939 |
| 6. | Alexandria Bay, New York | August, 1941 |
| 7. | Cancelled because of World War II | |
| 8. | Providence, Rhode Island | August, 1946 |
| 9. | Johnstown, New York | July, 1948 |
| 10. | Cleveland, Ohio | July, 1950 |
| 11. | Cooperstown, New York | August, 1952 |
| 12. | Providence, Rhode Island | August, 1954 |
| 13. | East Poultney, Vermont | August, 1956 |
| 14. | Cooperstown, New York | August, 1958 |
| Special 25th Anniversary Meeting at Dr. F. H. Westcott's Home in Tenafly, New Jersey |
1959 | |
| 15. | Manville, Rhode Island | August, 1960 |
| 16. | Boston, Massachusetts | August, 1962 |
| 17. | East Poultney, Vermont | August, 1964 |
| 18. | Griswold, Iowa | June, 1966 |
| 19. | Manville, Pawtucket & Rehoboth, Rhode Island | August, 1968 |
| 20. | Copperstown & Milford Center, New York | August, 1970 |
| 21. | East Poultney, Vermont | August, 1972 |
| 22. | Griswold, Red Oak & Elliot, Iowa | August, 1974 |
| 23. | Rivertown & Winsted, Connecticut | August, 1976 |
| 24. | Bennington, Vermont | August, 1978 |
| 25. | Bennington, Vermont | August, 1980 |
| 26. | Charlottsville, Virginia | August, 1982 |
| 27. | Warwick, Rhode Island | August, 1984 |
| 28. | Escondido, California |
October, 1986 |
| 29. | Zanesville, Ohio | October, 1988 |
| 30. | Concord, New Hampshire | August, 1990 |
| 31. | Massena, New York | July, 1992 |
| 32. | Zanesville, Ohio | July, 1994 |
| 33. | Des Moines, Iowa | July, 1996 |
| 34. | Killington, Vermont | August, 1998 |
| 35. | Colorado Springs, Colorado | August, 2000 |
| 36. | Seekonk, Massachusetts & Providence & Warwick, Rhode Island | July, 2002 |
| 37. | Overland Park, Kansas | July, 2004 |
| 38. | Philadelphia, Pennsylvania | July 6-8, 2006 |
| 39. | Newark, Ohio | June 27-29, 2008 |
| 40. | Merritt Island, Florida | June 25-27, 2010 |