Range map of Alewife  (Alosa pseudoharengus).
Peterson Field Guide to Freshwater Fishes, 2011. Second Edition, by Lawrence M. Page (Author), Brooks M. Burr (Author), Eugene C. Beckham (Illustrator) ISBN 9780547242064
NatureServe 2013. Alosa pseudoharengus . The IUCN Red List of Threatened Species 2013: e.T201948A18235694. https://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T201948A18235694.en. Downloaded on 16 February 2020.
Cephas