Photographs
- MEWI 4 Letter : Pendleton, N.G.- p.33 Dept. of Interior #1 1849/06/20
- MEWI 4 Letter : Penn, James S.- p.38 Dept. of Interior #1 1849/06/25
- MEWI 4 Letter : Penn, Jane Floyd, Mrs.- p.255 Dept. of Interior #1 1850/04/12
- MEWI 4 Letter : Pennington, William- p.52 Dept. of Interior #1 1849/07/06
- MEWI 1 Letter : Pennsylvania Society for the Promotion Manufacturers and the Mechanic Arts of 1827/10/20
- MEWI 1 Letter : Penrose, Charles B. 1829/02/07
- MEWI 4 Letter : Perceval, James- p.73 Dept. of Interior #1 1849/03/27
- MEWI 4 Letter : Perry, A.F. (M.)- p.238 Dept. of Interior #1 1850/03/25
- MEWI 4 Letter : Perry, A.F. (M.)- p.252 Dept. of Interior #1 1850/04/08
- MEWI 4 Letter : Perry, A.F. (M.)- p.272 Dept. of Interior #1 1850/05/02
- MEWI 4 Letter : Perry, John- p.232 Dept. of Interior #1 1850/03/21
- MEWI 4 Letter : Perry, John- p.235 Dept. of Interior #1 1850/03/23
- MEWI 4 Letter : Perry, John- p.239 Dept. of Interior #1 1850/03/26
- MEWI 1 Letter : Pettibone, Milo D. 1829/02/20
- MEWI 4 Letter : Phelps, J.S.- p.184 Dept. of Interior #1 1850/01/22
- MEWI 4 Letter : Phelps, Samuel S.- p.257 Dept. of Interior #1 1850/04/13
- MEWI 4 Letter : Phoenix, J. Phillips- p.176 Dept. of Interior #1 1849/12/24
- MEWI 4 Letter : Pierpont, F.H.- p.171 Dept. of Interior #1 1849/12/05
- MEWI 4 Letter : Pierpont, F.H.- p.285 Dept. of Interior #1 1850/05/27
- MEWI 4 Letter : Pike, Albert- p.163 Dept. of Interior #1 1849/11/13
- MEWI 4 Letter : Pike, Albert- p.175 Dept. of Interior #1 1849/12/22
- MEWI 4 Letter : Pike, Albert- p.199 Dept. of Interior #1 1850/02/07
- MEWI 4 Letter : Pike, Albert- p.211 Dept. of Interior #1 1850/02/25
- MEWI 4 Letter : Pike, Albert- p.216 Dept. of Interior #1 1850/02/28
- MEWI 4 Letter : Pike, Albert- p.35 Dept. of Interior #1 1849/06/22
- MEWI 4 Letter : Pike, Albert- p.65 Dept. of Interior #1 1849/07/19
- MEWI 4 Letter : Pirth, Henry- p.232 Dept. of Interior #1 1850/03/21
- MEWI 1 Letter : Plaskitt, John 1829/04/13
- MEWI 4 Letter : Powell, L.D- p.107 Dept. of Interior #1 1849/08/18
- MEWI 4 Letter : Pratt, Lewellyn- p.221 Dept. of Interior #1 1850/03/09
- MEWI 4 Letter : Prentice, George D.- p.226 Dept. of Interior #1 1850/03/16
- MEWI 4 Letter : Prentiss, Cyrus- p.113 Dept. of Interior #1 1849/08/27
- MEWI 4 Letter : Prentiss, Samuel- p.37 Dept. of Interior #1 1849/06/25
- MEWI 4 Letter : Prescott, William H.- p.99 Dept. of Interior #1 1849/07/05
- MEWI 4 Letter : President Zachary Taylor- p.17 Dept. of Interior #1 1849/06/01
- MEWI 4 Letter : Preston, John, Jr.- p.55 Dept. of Interior #1 1849/07/09
- MEWI 4 Letter : Preston, William Ballard- p.129 Dept. of Interior #1 1849/09/10
- MEWI 4 Letter : Preston, William Ballard- p.154 Dept. of Interior #1 1849/10/30
- MEWI 4 Letter : Preston, William Ballard- p.68 Dept. of Interior #1 1849/07/24
- MEWI 4 Letter : Preston, William Ballard- p.69 Dept. of Interior #1 1849/07/23
- MEWI 4 Letter : Preston, William Ballard- p.80 Dept. of Interior #1 1849/06/23
- MEWI 4 Letter : Price, Samuel- p.200 Dept. of Interior #1 1850/02/09
- MEWI 4 Letter : Price, Samuel- p.36 Dept. of Interior #1 1849/06/22
- MEWI 1 Letter : Prichard, A.P. 1827/09/18
- MEWI 4 Letter : Proper, William J.- p.127 Dept. of Interior #1 1849/09/06
- MEWI 4 Letter : Putnam, Harvey- p.132 Dept. of Interior #1 1849/09/15
- MEWI 4 Letter : Putnam, Harvey- p.148 Dept. of Interior #1 1849/10/17
- MEWI 4 Letter : Putnam, Harvey- p.261 Dept. of Interior #1 1850/04/20
- MEWI 4 Letter : Putnam, William Pitt- p.137 Dept. of Interior #1 1849/10/02
- MEWI 4 Letter : Putnam, William Pitt- p.263 Dept. of Interior #1 1850/04/20
- MEWI 4 Letter : Ramsey, W.H., Dr.- pp.265-266 Dept. of Interior #1 1850/04/23
- MEWI 4 Letter : Rand, John S.- p.204 Dept. of Interior #1 1850/02/15
- MEWI 1 Letter : Reber, G. 1827/09/05
- MEWI 4 Letter : Reed, R.R.- p.235 Dept. of Interior #1 1850/02/15
- MEWI 1 Letter : Reese, Jacob 1829/11/18
- MEWI 4 Letter : Reese, William J.- p.134 Dept. of Interior #1 1849/09/24
- MEWI 4 Letter : Reese, William J.- p.153 Dept. of Interior #1 1849/10/29
- MEWI 4 Letter : Reese, William J.- p.172 Dept. of Interior #1 1849/12/05
- MEWI 4 Letter : Reese, William J.- p.255 Dept. of Interior #1 1850/04/13
- MEWI 4 Letter : Reeves, George- p.263 Dept. of Interior #1 1850/04/22
- MEWI 4 Letter : Rempel, Herman- p.115 Dept. of Interior #1 1849/08/27
- MEWI 1 Letter : Renick, G. 1829/05/26
- MEWI 4 Letter : Renwick James- p.232 Dept. of Interior #1 1850/03/21
- MEWI 4 Letter : Reynolds, S.V.- p.29 Dept. of Interior #1 1849/06/15
- MEWI 4 Letter : Rice, Martin- p.141 Dept. of Interior #1 1849/10/08
- MEWI 4 Letter : Rice, Samuel- p.129 Dept. of Interior #1 1849/09/08
- MEWI 4 Letter : Rich, O.- p.153 Dept. of Interior #1 1849/10/29
- MEWI 4 Letter : Richards, E.H.- p.145 Dept. of Interior #1 1849/10/11
- MEWI 1 Letter : Richards, George 1829/07/31
- MEWI 4 Letter : Richards, William- p.125 Dept. of Interior #1 1849/09/04
- MEWI 1 Letter : Rickets, Hannah (petition to Court of Common Pleas) 1819/05/29
- MEWI 1 Letter : Rickets, Reason (petition to Court of Common Pleas) 1819/05/29
- MEWI 1 Letter : Ridgely, Absalom 1827/05/31
- MEWI 1 Letter : Ridgely, Absalom 1827/10/08
- MEWI 4 Letter : Rikkick, Richard K.- p.70 Dept. of Interior #1 1849/07/27
- MEWI 2 Letter : Riley, J.H. 1861/06/24
- MEWI 2 Letter : Riley, J.H. 1861/07/02
- MEWI 4 Letter : Ring, Hiram E.- p.199 Dept. of Interior #1 1850/02/08
- MEWI 4 Letter : Ringo, Daniel- p.56 Dept. of Interior #1 1849/07/13
- MEWI 4 Letter : Rising, Leonard P.- p.245 Dept. of Interior #1 1850/04/01
- MEWI 4 Letter : Rising, Leonard P.- p.304 Dept. of Interior #1 1850/06/20
- MEWI 4 Letter : Rising, Samuel P.- p.192 Dept. of Interior #1 1850/02/01
- MEWI 4 Letter : Ritchie, William A.- p.15 Dept. of Interior #1 1849/05/31
- MEWI 4 Letter : Rives, George W.- p.158 Dept. of Interior #1 1849/11/06
- MEWI 4 Letter : Rives, W.O.- p.122 Dept. of Interior #1 1849/09/01
- MEWI 4 Letter : Robbins, W.H.- p.122 Dept. of Interior #1 1849/09/01
- MEWI 4 Letter : Robbins, Z.C.- p.174 Dept. of Interior #1 1849/12/13
- MEWI 4 Letter : Roche, M. Ann, Mrs.- p.274 Dept. of Interior #1 1850/05/07
- MEWI 4 Letter : Roe, George- p.106 Dept. of Interior #1 1849/08/17
- MEWI 4 Letter : Rogers, John A.- p.299 Dept. of Interior #1 1850/06/13
- MEWI 1 Letter : Rogers, Sam 1829/02/15
- MEWI 4 Letter : Rose, William B.- p.164 Dept. of Interior #1 1849/11/13
- MEWI 2 Letter : Rossman and McKinstry 1856/02/13
- MEWI 1 Letter : Ruffin, William (to John? Ewing) 1827/10/24
- MEWI 4 Letter : Ruggles, T.K.- p.63 Dept. of Interior #1 1849/06/11
- MEWI 4 Letter : Russell, Warren- p.144 Dept. of Interior #1 1849/10/10
- MEWI 4 Letter : Russell, William E.- p.22 Dept. of Interior #1 1849/06/08
- MEWI 4 Letter : Russell, William E.- p.290 Dept. of Interior #1 1850/06/03
- MEWI 4 Letter : Russell, William H.- p.288 Dept. of Interior #1 1850/05/30
- MEWI 4 Letter : Rutherford, James- p.115 Dept. of Interior #1 1849/08/27