Text ( visual ) : unmediated East is a big bird : navigation and logic on Puluwat atoll / Thomas Gladwin. -- Cambridge, Mass. : Harvard University Press , 1970. -- 241 p : ill., maps ; 24 cm. -- Bibliography: p. 235-237 ; Includes index. -- ISBN 0674224256 ; (BA07627436) ; https://ci.nii.ac.jp/ncid/BA07627436 Other Title(s): East is a big bird : navigation & logic on Puluwat atoll. -- Author Heading(s): Gladwin, Thomas. -- Classification(s): NDC9 : 389 ; LCC : GN440. -- Subject Heading(s): LCSH : Puluwat Atoll ; LCSH : Navigation, Primitive ; LCSH : Cognitive styles -- Puluwat Atoll