Charioteer! I appreciate your sleuthing. The window into your search-process is also very enlightening. Putting all of this together.. the picture is becoming clearer! Thanks! Jeremy

Wwebster! Thank you! Some of the locations are apparently unknown to the family. Thank you for this. I'm fascinated that the store moved so often in the early years, but stayed in the Yonge/Bloor area.

Hello, I am the Sales Manager of Paul Hahn & Co., a piano store that opened in Toronto in 1913. The original location of the store was at 717 Yonge Street, which was Roy's Square, but is now the open space waiting for the construction of a condominium at the SE corner of Yonge & Bloor. The...