Series consists of programs and recordings for eleven events organized by the Schulich School of Music during the 2008-2009 concert season including by the McGill Wind Symphony, the McGill Symphony Orchestra, Opera McGill, the McGill Chamber Singers, McGill Chamber Music Ensembles, the McGill Baroque Orchestra, and the McGill Jazz Orchestra I, and in the context of the McGill Classical Concerto Competition.

Series consists of programs and recordings for events organized by the Schulich School of Music during the 2021-2022 concert season.

Series consists of programs and recordings for events organized by Schulich School of Music during the 2019-2020 concert season.

Series consists of programs and recordings for events organized by the Schulich School of Music during the 2014-2015 concert season.

Series consists of programs and recordings for events organized by the Schulich School of Music during the 2013-2014 concert season.

The maquettes in this series are various sizes of three-dimensional models of organs.

The Compositions Series contains Schloss’s 29 completed compositions and arrangements and 6 unfinished works. The works are arranged alphabetically by uniform title. Composition dates, durations and instrumentation are provided when possible. Instrumentation for large ensemble works is listed according to the schema [Fl Cl Ob Bs – Hn Tp Tb Tu – Perc – Str] with supplementary instruments listed.

The Miscellaneous Series contains a collection of items that distinguish themselves from the other series. These include copies of literary works, documents, stamps, advertisements, and the artifacts of Bergiana pertaining to the Lyric Suite. Items are arranged topically.

This series consists of various listings of the musical pieces composed by Sonde, including date of composition, composer and date and location of the event where the music was played.

This series consists of hand-drawn plans for Sonde’s sound sources.