288 



Iowa (state) drainage association. 



Proceedings. Exp. 1-2, 4-7. 

 Iowa (state). Drainage, waterways and conservation commission. 



Report. P. 1 + . 

 Iowa engineer. Ames. P. 1 + . 

 Iowa. Engineering experiment station. 



Bulletin. Exp. 3*, 4*: P. 4 + . 

 Iowa engineering society. 



Proceedings. P. 1. 

 Iowa. Geological survey. 



Annual report. E. 6, 7, 9-20: I. V. '55-'57, '66-'69, '92+: X. H. '55-'57. 

 '6G-'69. 



Bulletin. Exp. 1 : P. 1. 



Report survey of '55-'59. E. 1*. 

 Iowa (state) geologist. Des Moines. 



Report. X. H. 1, 2. 

 Iowa. Health, State board of. Do.s Moines. 



Biennial report. P. '80-'97, '99-'03, '08-'10. 

 Iowa (state) highway commission. Ames. 



Report. Exp. 2, 3. 

 Iowa homestead. De.s Moines. Exp. 54*, 55*. 

 Iowa (state) horticultural society. Des Moines. 



Transactions. D. 16: Exp. 14-19, 25, 27-46: P. 44: S. L. '72-'07*. 

 Iowa naturalist. Iowa City. Ac. 1: X. D. 1 + . 

 Iowa park and forestry association. Des Moines. 



Proceedings. Exp. '03, '05. 

 Iowa (state) imiversity. Iowa City. Engineering society. 



Transit. P. 1-3, 5-13, 15. 

 Iowa (state) university. Iowa Cit}\ Natural history, Laboratories of. 



Bulletin. N. D. 5+: X. H. 4, 5: P. 2-4. 

 Iowa (state) university. Iowa City. Physical laboratory. 



Contributions. P. 1*. 

 Iowa (state) university. Iowa City. Psychology. Department of. 



Studies. I. r. 1-3: P. 1, 2. 

 Ireland. Agricultural technical instruction, Departm.ent of. Dublin. 



Bulletin. E.xp. 1, 4. 



Leaflets. Exp. 1, 4-7, 9-11, 13-37. 

 Iron age. Xew York. Ft. W. 69, 70, 72*, 73*, 75, 76, 78-85, 87+: C. 83+: 

 M. 61, 62, 71 + : X. D. .52-56: P. 67*-71*, 81 + . 



