Author: Macmillan, Arthur Tarleton
Publisher:Macmillan and Co., Ltd., London
Copyright:1944
Author: Hodges, H. A.
Publisher:Kegan Paul, Trench, Trubner and Co. Ltd., London
Copyright:1944
Author: Pears, David
Publisher:William Collins Sons and Co, Ltd, Great Britan
Copyright:1971
Author: Rele, V. G.
Publisher:D B Taraporevala sons and co., Bombay
Copyright:1944
Author: Sivananda, Swami
Publisher:D B Taraporevala sons and co., Bombay
Copyright:1944
Author: Krishna, Anand
Publisher:Bharat Kala Bhavan, Banaras
Copyright:1971