Measles introduced to North America by New England colonists
Yale J Biol Med. 1943 Mar; 15(4): 531–556.
PMCID: PMC2601425
PMID: 21434087
Early Measles Epidemics in America
Ernest Caulfield
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2601425/