Copyright status - a few horn pieces

[horndude77]

• Rossini - Prelude, Theme, and Variations. Revised by Domenico Ceccarossi (1910-1997). Reprinted by masters music, but Worldcat suggested "Pesaro : [Fondazione Rossini], 1954." as the original publisher information.
• Forster, Christoph - Horn Concerto. Piano reduction by Manfred Schlenker. No marking of an editor on the horn part. Has also been republished by Masters music from what I can tell. (Worldcat wasn't much help in finding the original publisher.)
• Strauss, Franz - Introduction, theme, and varations, Op.13. Russian publisher. Plate 27701.
• Rosetti - Horn Concerto. Hamburg: N. Simrock. 1959. No mention of an editor. Since these are piano reductions I assume they don't qualify as a scholarly edition. I figure I'd ask anyway.

[Carolus]

I think you're probably OK on everything but the last one. I'll do some checking on it.

[Eric]

Worldcat does list other editions of horn concertos (I know there are a few) by Forster (spelled Forster, Förster, Foerster) published by Lucks and by Pizka edition. Looked at RISM, I think, for some information on the manuscript source if I could find it. A Google Books search finds a snippet view thing that might be a review of the Schlenker (or an) edition of the Förster dating from 1957- I'm guessing based on what I see. (Schlenker is mentioned elsewhere on the page, even the small part of it I can see, so it may not be his edition. "Musik und Gesellschaft, Volume 7
//Verband Deutscher Komponisten und Musikwissenschaftler, Verband der Komponisten und Musikwissenschaftler der DDR.
Publisher Henschelverlag, 1957" (p.191)