LEADER 01921cam a2200361 i 4500001 9989925953506421 005 20240813101809.0 006 m o d 007 cr mn |||||a|a 008 840125s1915 xx adf obm 000 0 eng d 035 (MiFhGG)NCCO3016848 035 (NjP)8992595-princetondb 035 (OCoLC)ocn562591927 035 |z(NjP)Voyager8992595 040 MIGCL |beng |cUtOrBLW |erda 050 4 BF456.N7 090 Electronic Resource 100 1 Holloway, Harry Vance, |d1875- |eauthor. 245 13 An experimental study to determine the relative difficulty of the elementary number combinations in addition and multiplication / |cby Harry Vance Holloway, June, 1914. 264 1 [Place of publication not identified] : |b[publisher not identified], |c[1915] 264 3 Trenton, New Jersey : |bState Gazette Publishing Company, printers, |c1915. 300 1 online resource (102 pages, 4 unnumbered folded leaves of plates) : |billustrations. 336 text |btxt |2rdacontent 337 computer |bc |2rdamedia 338 online resource |bcr |2rdacarrier 490 1 Nineteenth Century Collections Online: Children's Literature and Childhood 500 "A thesis presented to the Faculty of the Graduate School of the University of Pennsylvania in partial fulfilment of the requirements for the degree of Doctor of Philosophy." 500 Reproduction of the original from the Teachers College, Milbank Memorial Library, Columbia University. 504 "Bibliography and references": pages 100-102. 650 0 Arithmetic |xStudy and teaching. |0http://id.loc.gov/authorities/subjects/sh85007171 650 0 Educational psychology. |0http://id.loc.gov/authorities/subjects/sh85041141 830 0 Nineteenth Century Collections Online: Children's Literature and Childhood. 914 (OCoLC)ocn562591927 |bOCoLC |cmatch |d20221117 |eprocessed |f562591927