LINGO LIBRARY · 73879The geography and geology of south-eastern Egypt✳Ball, JohnENB1 · EstimatedThe geography and geology of south-eastern EgyptBall, John
LINGO LIBRARY · 73366Baharia Oasis : $b Its topography and geology✳Beadnell, H. J. L. (Hugh John Llewellyn) · Ball, JohnENB2 · EstimatedBaharia Oasis : $b Its topography and geologyBeadnell, H. J. L. (Hugh John Llewellyn) · Ball, John
LINGO LIBRARY · 77091Problems of the Libyan Desert✳Ball, JohnENProblems of the Libyan DesertBall, John