٣٨٩- Philby (J.B.) , South Arabian Chronology, Le Museon, Lxii, ١٩٤٩
٣٩٠- Phiiby (J.B.) , Qataban And Sheba, London, ١٩٥٥
٣٩١- Philby (J.B.) , Saudi-Arabia, London, ١٩٥٥
٣٩٢- Pirenne (J.) , A La Decouverte De L'arabie, Paris, ١٩٥٨
٣٩٣- Pirenne (J.) , La Grece Et Saba, Paris, ١٩٥٥
٣٩٤- Pirenne (J.) , Le Royaume Sud-Arabe Des Qataban Et Sa Datation, Louvain, ١٩٦١.
٣٩٥- Pliny, Natural History, Trans, By H. Rackham, London,
١٩٥٤-٧.
٣٩٦- Ptolemy, Geographia, Edited By C.F. Nobbe, ٣ Vols,
Leipzig, ١٨٤٣-١٨٤٥
٣٩٧- Rawbinson (G.) The History Of Herodotus, ٢ Vols.,
London, ١٩٢٩
٣٩٨- Renan (E.) , Histoire Generale Et Systeme Compare Des
Langues Semitiques, Paris, ١٨٥٥
٣٩٩- Rice (D.T.) , The Oxford Excavation At Hira, In Aj, I
٤٠٠- Rostovtzeff (M.) F Caravan Cities, Oxford, ١٩٣٢
٤٠١- Roth (C) , A Short History Of The Jewish People, London,
١٩٦٩.
٤٠٢- Ryckmans (G.) , Inscriptions Sud-Arabes, Le Museon, Xii, ١٩٤٢
٤٠٣- Ryckmans (G.) , Publication Of The Inscriptions, Iii, ١٩٥١
٤٠٤- Ryckmans (G.) , On Some Problems Of South Arabian Epigraphy, Bsoas, ١٩٥٢.
٤٠٥- Ryckmans (J.) , Chronologie Sabeenne, Orients Antiquis, Iii, ١٩٦٤
٤٠٦- Sanger (R.H.) , The Arabian P Ainsula, Cornell University Press, ١٩٥٤
٤٠٧- Schort (W.) , The Periplus Of The Erythraean Sea, London, ١٩١٢