Reference book: Abbr. 3 letters

Crossword clues for Reference book: Abbr. 3 letters

Answer	Clue
OED	Multi-volume reference book (abbr.)
ENC	Reference book: Abbr.
OED	Standard reference book: Abbr.
CYC	Reference book: Abbr.
OED	Reference book: Abbr.
ETSEQ	Reference book abbr.
DICT	Reference book (abbr.)
IBID	Reference book abbr.
ENCY	Reference book: Abbr.
ENCYS	Sets of reference books: Abbr.