Strings, rosin, Suzuki materials, and other supplies can be ordered online from the following websites:
https://www.thesoundpost.com - Toronto-based company that carries a wide selection of violin strings, accessories, sheet music, books, and other materials - very fast shipping!
https://www.amazon.ca - offers competitive prices on Suzuki books
https://www.long-mcquade.com - Canadian supplier of music books for many genres and instruments
https://www.chapters.indigo.ca - offers some selection of Suzuki books; can also be purchased in-store
http://www.archambault.ca - Montreal-based supplier of music books and supplies