Breadcrumb
Ruth-Ellen St. Onge
![](https://library.mcmaster.ca/sites/default/files/styles/square_120/public/staff-imgs/Ruth-Ellen%20St.%20Onge_jpg%201.jpg?itok=dUZdEANY)
Ruth-Ellen St. Onge
Distinctive Collections Cataloguing Librarian
905-525-9140 ext. 22789
stongr2@mcmaster.ca
Room Number: Mills Library, Lower Level