1. RPS MS 157 Reference (shelfmark): RPS MS 157 Title: Scope & Content: Symphony in E flat (B. 152); n.d. [1792?] (endpaper wm 1801). Autograph. ff. iii+54 296 x 235mm. Bifolia numbered by Pleyel Ignaz Joseph Pleyel, composer and music publisher: Symphony in E flat by Ignaz Joseph Pleyel: n.d.: Autogr. Collection Area: Music Collections Languages: English Date Range: [1792?] Extent: 1 item