Columbia subject headings:
Harvard subject headings:
Manuscripts, British--England--London--Catalogs.
Mathematical statistics--Manuscripts--Catalogs.
Pearson, Karl, 1857-1936--Archives--Catalogs.
Statistics--History--Sources--Bibliography--Catalogs.
Statistics--Manuscripts--Catalogs.
University College, London. Library--Catalogs.
Princeton subject headings:
Manuscripts, British--England--London--Catalogs.
Mathematical statistics--Manuscripts--Catalogs.
Pearson, Karl, 1857-1936--Archives--Catalogs.
Statistics--History--Sources--Bibliography--Catalogs.
Statistics--Manuscripts--Catalogs.
University College, London. Library--Catalogs.