Polar regions -- Juvenile literature -- Videodiscs. : Arctic & Antarctic [(DVD) videorecording] / a CAFE production for BBC Worldwide Americas, Dorling Kindersley Vision in association with Oregon Public Broadcasting ; director, Alexandra Beazley ; producer, Richard Thomson ; writer, Lynette Singer.
Polar Regions Remote Sensing : Advances in remote sensing technology and the three poles / edited by Manish Pandey [and five others]. [O'Reilly electronic resource]
Polar Regions Zoology Juvenile Literature Videodiscs : Arctic & Antarctic [(DVD) videorecording] / a CAFE production for BBC Worldwide Americas, Dorling Kindersley Vision in association with Oregon Public Broadcasting ; director, Alexandra Beazley ; producer, Richard Thomson ; writer, Lynette Singer.
Polaris (Ship) : North-pole voyages : embracing sketches of the important facts and incidents in the latest American efforts to reach the North pole from the second Grinnell expedition to that of the Polaris [Hoopla electronic resource].
Polarization (Social sciences) -- United States -- History. : The darkness has not overcome : lessons on faith and politics from inside the halls of power / Cliff Simms, Former Special Assistant to the President & Deputy Director of National Intelligence.