342 CO-OPERATION AMONG In Bonn Out of Bonn Higher School teachers ... 76 42 Elementary School teachers . 7 57 Attendants, etc. .... 23 5 Authors and artists . . . 17 3 Engineers, farmers, manufacturers, merchants . . . . 14 21 Military persons .... 6 Men without calling . . . 12 Women ..... 26 30 Authorities and institutions (libraries) 26 158 The proportion of works asked for and received in 1912-13 is shown by the statement of the University Library at Gottingen : Works by local borrowers asked for received " not received, because ' lent ' or ' not extant ' 95.75 69,272 14,671 + 11,307 [72-35%] [15-32%] [12-33%] by non-local borrowers or ' not transportable ' 17,871 8,729 3,313 + 5,325 + 50 4 [48-84%] [i 8-54%] [29-8%] [2-82%] The proportion of the works asked for by the University libraries and received from the Royal Library at Berlin in 1912-13 is shown by the statement of the Royal and University Library at Breslau : 4,553 works (197 % f the works asked for and not extant at the Breslau Library) were asked for by the Breslau Library from the Royal Library. The Breslau Library received 2,480 (54-5%); 769(i6- 9 /o) were 'lent,' 113 ( 2 - 4 V.) were 'not available,* and 1,191 (26*2 / ) 'not extant.' The University Library at Gottingen in 1912-13
