October 13th is Native American Day.
For general works on Native Americans, see 970.1.
For certain tribes, see 970.3.
For government relation with and treatment of Native Americans, see 970.5.
For Native American literature, see 897.
For Native American languages, see 497.
For Native Americans' role as an ethnic group in modern America, see 305.897.
October 13th is also Yorkshire Pudding Day.
For pudding, see 641.8644.
For the history of Yorkshire, see 942.81.
For English cooking techniques, see 641.30942.