Organs with Opus Number

• CA MDML 022-1-i
• Subseries
• Earky 1960-2006

Part of Hellmuth Wolff Organ Collection

Organs without Opus Number

• CA MDML 022-1-ii
• Subseries

Part of Hellmuth Wolff Organ Collection

Organs without opus number

• CA MDML 022-4-ii
• Subseries
• Undated

Part of Hellmuth Wolff Organ Collection

Non-Wolff Organs

• CA MDML 022-5-iii
• Subseries

Part of Hellmuth Wolff Organ Collection

Maquettes/Models

• CA MDML 022-6
• Series
• 1994, undated

Part of Hellmuth Wolff Organ Collection

ISO Yearbook 1993

• CA MDML 022-10-i
• Subseries
• 1984-1996

Part of Hellmuth Wolff Organ Collection

Jacques Stinkens, Orgelpijpenmakers B.V.

• CA MDML 022-14-i
• Subseries
• 1973-2006

Part of Hellmuth Wolff Organ Collection

Otto Heuss

• CA MDML 022-14-ii
• Subseries
• 1987-1988

Part of Hellmuth Wolff Organ Collection

Catalogue of Works

• CA MDML 021-1-1
• Series
• 1976-1983

Part of Sonde Collection

Instrument Plans

• CA MDML 021-1-3
• Series
• 1975-1976

Part of Sonde Collection