Hi Eddy,
Here are etudes for the right hand alone:
Charles Alkan, Trois grandes etudes, Op. 76
Richard Bennett, Five Studies for Piano
Allan Blank, Six Studies for One Hand, Set 2 (right hand)
Arthur Foote, Prelude-Etude, Op.37, No. 1
Peter Fricker, Twelve Studies for Piano, Op. 58
Frank Hutchens, Vienna Interlude: Piano Study
Miriam Hyde, Three Studies
Karl Kohn, Etude for the Right Hand
Ellis Kohs, Etude Variations on a Sestatonic Scale After a Theme of Brahms
Walter Lang, 10 Klavier-Etuden, Op. 74, No. 4
Wladyslawa Markiewiczowna, Przy Studni, No. 5, Etiuda Na Prawa Reke
Georges Migot, 5 Etudes en forme de suite
Robert Pollock, Short Study
Eugenie Rocherolle, Etude from Hands Separately
Ned Rorem, Eight Etudes for Piano, No. 7
Mary Wurm, Etude, Op. 42, No. 2
You might find something of interest there. I culled these etudes from
Piano Tutorial Music for One Hand by Theodore Edel, Indiana University Press, 1994.
David
Wow, I never thought there would be such plenty rh only etude that I will see here. Interesting indeed.