Organ

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"Adeste Fideles" in an Organ Prelude  MRC  3 min.

Edited by E. Power Biggs (published with Variations on "America") 
(Ives Society critical edition in prep)

Collected Organ Works  MRC  

"Adeste Fideles" in an Organ Prelude 
Burlesque Postlude in C 
Canzonetta in F 
Fugue in C Minor 
Fugue in E-flat 
Interludes for Hymns 
Variations on "America" 
(plus appendixes) 
Ives Society critical edition in prep.

Postlude in F  AMP  5 min.

Arranged by Charles Krigbaum from the orchestral version (itself originally an organ work).

Variations on "America"  MER  8 min.

Edited by E. Power Biggs (published with "Adeste Fideles" in an Organ Prelude; 
Ives Society critical edition in prep) 
Ives Society critical edition of Ives's early version in prep. 
(see also Orchestra for version by William Schuman and Band for transcription by William Rhoads from Schuman's version.)