Dudley, Katherine, Portland Baby Hygiene & Child Welfare Association, and Tudor Press. A map of Portland Maine and some places thereabout!. Portland, Me.: Portland Baby Hygiene & Child Welfare Association, 1928. Web. 25 Apr 2025. <https://ark-dc3dev.bpl.org/ark:/50959/6q182k915>.

Dudley, K., Portland Baby Hygiene & Child Welfare Association, & Tudor Press. (1928). A map of Portland Maine and some places thereabout! [Map]. Retrieved from https://ark-dc3dev.bpl.org/ark:/50959/6q182k915

Dudley, Katherine, Portland Baby Hygiene & Child Welfare Association, and Tudor Press. "A map of Portland Maine and some places thereabout!." Map. Portland, Me.: Portland Baby Hygiene & Child Welfare Association, 1928. Digital Commonwealth, https://ark-dc3dev.bpl.org/ark:/50959/6q182k915 (accessed April 25, 2025).