Mendelssohn: Symphonies No. 3 and 4 / Schumann: Symphony No. 4 (CD)
For years, these recordings were literally Klemperer found. No problem to obtain its course Mahler, Beethoven's also his Brahms, Bruckner's (although a new edition lacks a bit), his Strauss, Mozart's, the Wagnerian extracts, or even (for Mendelssohn)