John and others,  The Aeolian sales, voicing information and contracts
archives, once held by the Organ Literature Foundation, are now held
by the Organ Historical Society.  Contact Steven Pinel, the archivist.

Aeolian Opus 1168:
 Miss Sue C Denkmann, Rock Island, Ill.  22 ranks, 2 manual,
  14 stops compounded.
 Shipped: April 2, 1911. $15,500.00
 Four ranks added October 2, 1915. $2500.00
 Duo-Art player in separate cabinet added, June 13, 1922. $3,500.00
 Connection for adding a grand piano, March 2, 1925. $1,500.00

Jim Crank