This page is marked for cleanup because it is a large collection and it needs all the genres tagged, and links made to the composers.
||Hispaniae schola musica sacra
||Opera varia (saecal. XV, XVI, XVII et XVIII) diligenter excerpta, accurate revisa, sedulo concinnata a Philippo Pedrell
This is a collection that includes pieces by other composers, and according to Grove Music, also includes organ music. Tagged generically with undetermined instrumentation for now, until the volumes can be gone through for the instrumentation and genres of the contents.