@misc{US Census Office1902,
author = {US Census Office},
title= {1900 census: Volume III: Vital statistics, Part 1: Analysis and ratio tables},
year = {1902},
URL = {https://www.census.gov/library/publications/1902/dec/vol-03-vital-stats.html},
publisher = {US Census Office},
address = {Washington, D.C.},
}