| Prohibition Passed by Iowa Legislature | 311 |
| Press of the CountyAll | 401403 |
| Pike's Peak Excitement | 26, 27 |
| Population, etc., from 1852 to 1887 | 12, 13 |
| Propositions for Agricultural Farm Location | 31 |
| Protective Association, Mutual | 85, 86 |
| Parker, Wm.The early settler | 37, 38, 39 |
| Payne, W. P.First Principal Nevada School | 29 |
| Prevalence of Fires | 135 |
| Pattee, H.Killed himself | 300 |
| (Postmasters of the County are given in the Township History in which the office is situated.) | |
| Postoffices Vacated or Moved | 378 |
| Polk County Supervisors Appropriated, etc | 139 |
| Pension List | 111, 114 |
| Poultry Business of County, Wonderful | 134 |
| Peter Baker on Temperance | 303 |
| Population of County1854, 1860, 1870, 1880, 1886 | 12, 13 |
| Prohibition or Temperance Chapter | 301, 313 |
| Presidents of the United States | 404 |
| Prohibitory Amendment Vote | 313, 355, 378 |
| Peat in Story County | 369 |
| Presidential ElectionsWho were elected and who voted for | 370 |
| Patent Poultry Freezing Machine at Boardman's | 101 |
| Presidential Postoffices in County | 377 |
| Palestine Township, Stockmen and Others | 252 |
| Poor Farm and other Propertyvalued | 298 |
| Presbytery on Liquor at Waterloo | 309 |
| Presidential Temperance Organization | 302 |
| Press of County | 401 |