1. Add MS 62863 Reference (shelfmark): Add MS 62863 Title: Scope & Content: SEIBER COLLECTION. Vol. LXXX. String quartet no. 3; circa 1951. Pencil sketches. See also 62804 above. ff. 28. 267 x 360mm. Collection Area: Music Collections Languages: English Date Range: c 1951 Extent: 1 item