At: Leningrad, Nauka, Leningradskoe otdelenie
At: Leningrad, Izdatel'stvo "Nauka", Leningradskoe otdelenie By: Takht.
At: Leningrad, Izdatel'stvo Leningradskogo universiteta By: Zubkov
At: Kiev, Naukova dumka By: Zerov
At: Alma-Ata, Kazakhskij Nauchno-Issledovatel’skij Institut Mineral’nogo Syr’ja
At: Lucknow, Birbal Sahni Institute of Palaeobotany By: Bharadwaj,Lele,R.K. Kar,H.P. Singh,Tiwari,Vishnu-Mittre,H.K. Maheshw.
At: Amravati, Department of Botany, Sant Gadge Baba Amravati University
At: Allahabad, Society of Indian Plant Taxonomists [South Asian Publishers, Printed at Advanced Graphic Services]
At: Menasha, Wis., George Banta publishing company By: Duggar
At: Pune, Department of Botany, University of Poona