There are certain ready reference books which should be within reach of every reading room assistant and with which all should be familiar. Among these the following may be mentioned: Baker, E. A. A guide to the best fiction in English. New ed. N. Y. Macmillan. 1913. $5.50. Bliss, W. D. P. and Binder, R. M. New encyclopedia of social reform. New ed. N. Y. Funk. 1908. $7.50. American year book. N. Y. Appleton. 1910-date. $3.50. Annual. Statesman’s year book. N. Y. Macmillan. $3. Annual. Whitaker, Joseph. Almanack. Lond. Whitaker. 2s. 6d. Annual. World almanac. N. Y. The N. Y. World. 25c paper. Annual. Christy, Robert. Proverbs, maxims and phrases of all ages. N. Y. Putnam. 1905. 2 v. in 1. $2.50. Hopkins, A. A. Scientific American cyclopedia of formulas. N. Y. Munn. 1911. $5.00. Kent, William. Mechanical engineer’s pocket-book. Ed. 8. N. Y. Wiley. 1910. $5. Trautwine, J. C. Civil engineer’s pocket-book. Ed. 19. N. Y. Wiley. 1911. $5. Standard handbook for electrical engineers. Ed. 3. Rev. and enl. N. Y. McGraw. 1910. $4. Bartlett, John. Familiar quotations. Ed. 9. Bost. Little. 1911. $3. Granger, Edith. Index to poetry and recitations. Chic. McClurg. 1904. $5. Hoyt, J. K. Cyclopedia of practical quotations; English, Latin, and modern foreign languages. New ed. enl. N. Y. Funk. 1896. $6. Schauffler, R. H. Our American holidays. N. Y. Moffat. $1 a vol. A volume on each of the important holidays: Arbor Day, Christmas, Flag Day, Independence Day, Lincoln’s Birthday, Memorial Day, Thanksgiving and Washington’s Birthday. Walsh, W. S. International encyclopedia of prose and poetical quotations. Phil. Winston. 1908. $3. Brewer, E. C. Historic note-book: with an appendix on battles. Phil. Lippincott. 1891. $3.50. Haydn, Joseph. Dictionary of dates and universal information relating to all ages and nations. Ed. 24. N. Y. Putnam. 1906. $6. Larned, J. N. History for ready reference from the best historians and specialists. Rev. and enl. ed. Springfield (Mass.) Nichols. 1901-1910. 7 v. $35. Ploetz, Karl. Epitome of ancient, mediaeval and modern history: tr. and enl. by W. H. Tillinghast, with additions covering recent events. Bost. Houghton. 1905. $3. Peck, H. T. Harper’s dictionary of classical literature and antiquities. N. Y. American Book Co. 1897. $6. A. L. A. portrait index; index to portraits contained in printed books and periodicals. Wash. Lib. of Cong. 1906. $3. Thomas, Joseph. Universal pronouncing dictionary of biography and mythology. Phil. Lippincott. 1901. 2 v. $15. Who’s who. N. Y. Macmillan. $2.50 n. Annual. Appleton’s cyclopedia of American biography. N. Y. Appleton. 1888-1900. 7 v. $36. Who’s who in America; a biographical dictionary. Chic. Marquis. $4. Biennial. Moulton, C. W. Library of literary criticism of English and American authors. Buffalo. Moulton pub. co. 1901-05. 8 v. $5. a vol.