What is the crossword answer for the clue: Reference book

ALAS - a 4 letter word may be the answer you are looking for!

ATLAS - a 5 letter word may be the answer you are looking for!

MANUAL - a 6 letter word may be the answer you are looking for!

ROGETS - a 6 letter word may be the answer you are looking for!

ENCYCLOPEDIA - a 12 letter word may be the answer you are looking for!

ABRIDGEDDICTION - a 15 letter word may be the answer you are looking for!

LEXICON - a 7 letter word may be the answer you are looking for!

ALMANAC - a 7 letter word may be the answer you are looking for!

WHOSWHO - a 7 letter word may be the answer you are looking for!

TOME - a 4 letter word may be the answer you are looking for!

Reference book

4 Character Answers:

ALAS

TOME

5 Character Answers:

ATLAS

6 Character Answers:

MANUAL

ROGETS

7 Character Answers:

ALMANAC

LEXICON

WHOSWHO

12 Character Answers:

ENCYCLOPEDIA

13 Character Answers:

ENCYCLOPAEDIA

15 Character Answers:

ABRIDGEDDICTION