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Volumes

1. Vol 1 Steam Organs & Calliopes — Vol 01: The Steam Branch
2. Vol 2 Steam Organs & Calliopes — Vol 02: The Steam Whistle
3. Vol 3 Steam Organs & Calliopes — Vol 03: Boiler & Steam Supply
4. Vol 4 Steam Organs & Calliopes — Vol 04: The Action
5. Vol 5 Steam Organs & Calliopes — Vol 05: Steam vs Air — the Calliaphone
6. Vol 6 Steam Organs & Calliopes — Vol 06: Great Instruments
7. Vol 7 Steam Organs & Calliopes — Vol 07: Reference & Cheatsheet