[Supplementary rules were issued on cards in Aug. 1903, and Jan. 1904, relative to Added entries not including subject entries, Annotation, Call numbers, Geographic headings, Recataloguing, and Treaties and negotiations with foreign powers.]
Notes:
[Supplementary rules were issued on cards in Aug. 1903, and Jan. 1904, relative to Added entries not including subject entries, Annotation, Call numbers, Geographic headings, Recataloguing, and Treaties and negotiations with foreign powers.]