Text ( visual ) : unmediated Trade union and social history / A.E. Musson. -- London : Frank Cass , 1974. -- ix, 211 p. ; 23 cm. -- Includes bibliographical references and index. -- ISBN 0714630314 ; (BA11463387) ; https://ci.nii.ac.jp/ncid/BA11463387 Other Title(s): Trade union & social history. -- Author Heading(s): Musson, Albert Edward. -- Classification(s): LCC : HD6664 ; DC : 331.88/0942. -- Subject Heading(s): LCSH : Trade-unions -- Great Britain -- History ; LCSH : Great Britain -- Social conditions