Opus 16

Piano Concerto no. 1 (dedicated to Elisabeth Bortkiewicz) (Kistner & Siegel 1913) *  ***

Opus 20

Cello Concerto (dedicated to Paul de Conne) (Rahter 1922)**  *****

Opus 22

Violin Concerto (dedicated to Frank Smit) (Rahter 1923)** *****

Opus 28

Piano Concerto no. 2 for the left hand only (commissioned by Paul Wittgenstein) (Manuscript Rahter 1924)**

Opus 32

Piano Concerto no. 3 ‘per aspera ad astra’ (dedicated to Paul de Conne) (Rahter 1927) **

Opus 44

Des Frühlings und des Pans Erwachen – ein lyrisches intermezzo nach Gemälden von Sandro Botticelli for violin and orchestra (manuscript 1934)***

Opus 45

Russische Rhapsodie for piano and orchestra (commissioned by Paul Wittgenstein) (manuscript 1935)****

* This score and the orchestral parts can be obtained through Kistner & Siegel

** This score and the orchestral parts can be obtained through Boosey & Hawkes

*** This score is still missing

**** a copy of this score and the orchestral parts can be obtained through The Netherlands Music Institute in The Hague, The Netherlands

***** a copy of the full score and orchestral parts can be obtained through the Free library of Philadelphia