Paleographic value of paper watermarks

Likhachev, Nikolai Petrovich (1862-1935).Paleographic value of paper watermarks / N. P. Likhachev.- St. Petersburg: OldP, 1899. - 30 cm - -On tit.L.: CXVI..1. History.Historical sciences - source studies.Auxiliary Historical Disciplines - Paleeography - Middle Ages - Separate Issues of External Design of Manuscripts - Paper Watermarks.BBK T223 (0) 4-2.0BBK 63.223.Electronic copy source: RGB