University course of music study piano seires

[sukhforme]

Is it possible to know if this series in public domain in Canada.It is avalable for download on archive.org. The copyright on the book series states as such:

Copyright,1920, BY NATIONAL ACADEMY OF MUSIC.
INTERNATIONAL COPYRIGHT SECURED.

Also, here is the link:
https://archive.org/details/universityc ... 3/mode/2up


I will really appreciate any response.

Thank you.

Best Regards,

Sukhpreet

[jossuk]

The link you have provided allows you to download the item you mentioned; no apparent need to involve IMSLP.