- Porter, D. W.1
- Porter, J. S.1
- Porter, Thomas1
- Powell, Jeremiah1
- Powell, W. C.1
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- Powers, Clem1
- Powers, Lara1
- Powers, Zara1
- Prior, Allen W.1
- Purvis, George1
- R. & R. Magazine Agency1
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- R.W. Smith & Company1
- Radney, Sylvester L.1
- Raiford, A. G.1
- Rand McNally and Company1
- Ratcliff, James1
- Rawlings, W.1
