- Collectionscho.col - Highland Park Schools Collection
- Series13.1-13.6 - 13: High School Reunions
- File13.1 - Classes of 1905, 1922, 1931, 1943-46
- Subseries13.2 - 56th Reunion Class of 1914 by Phillip Speidel
- Subseries13.3 - 60th Reunion class of 1914 by Phillip Speidel
- Subseries13.4 - 62nd Reunion class of 1914 by Phillip Speidel
- Subseries13.5 - 64th Reunion class of 1914 by Phillip Speidel
- Item13.6 - Reunion scrapbook classes of 1939-1941
- File13.7 - Directory for Class of 1943, 1944, 1948
- Subseriesephe - Class of 1948 trivets
