Phoonsen Jan : Een boek van Phoonsen over de Amsterdamsche Wisselbank / medegedeeld door J.G. van Dillen; overdruk, uit het 'Economisch-historisch jaarboek', d.7, 1921.
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Phopiwa Nedson : Africa in a changing global environment : perspectives of climate change adaptation and mitigation strategies in Africa / Shingirirai Savious Mutanga, Thokozani Simelane, Nedson Phopiwa (eds.).
Photoconductivity Conference 1st 1954 Atlantic City N J : Photoconductivity Conference : held at Atlantic City, November 4-6, 1954, sponsored by University of Pennsylvania, Radio Corporation of America, Office of Naval Research / Editorial committee: R.G. Breckenridge, chairman, B.R. Russell, E.E. Hahn.
Photovoltaic Solar Energy Conference 2nd Berlin 1979 : Proceedings of the International Conference held at Berlin (West), 23-26 April 1979 / organised by the Commission of the European Communities; edited by R. van Overstraeten and W. Palz.
Photovoltaic Solar Energy Conference 4th 1982 Stresa Italy : Fourth E.C. Photovoltaic Solar Energy Conference : proceedings of the International Conference held at Stresa, Italy, 10-14 May, 1982 / edited by W.H. Bloss and G. Grassi.