Colenda Digital Repository
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Subject
- History30
- Chemistry16
- Chemistry -- History12
- Alchemy9
- Alchemy -- Early works to 18009
- Medicine -- Formulae, receipts, prescriptions6
- Guilds5
- Guilds -- Germany5
- Medicine -- Formulae, receipts, prescriptions -- Early works to 18005
- Chemistry -- Early works to 18004
- Explosives4
- Explosives -- Early works to 18004
- Pharmacology4
- Artillery3
- Artillery -- Early works to 18003
- Catholic Church3
- Catholic Church. -- Archdiocese of Cologne (Germany)3
- Catholic Church. -- Archdiocese of Cologne (Germany) -- History3
- Mathematics -- Study and teaching3
- Military art and science3