(1982). Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 9. <i> Int.J.Syst.Bacteriol. </i><b> 32 </b>: 384-385 .
Wiegel, J., Braun, M., Gottschalk, G. (1981). <i>Clostridium thermoautotrophicum </i>species novum, a thermophile producing acetate from molecular hydrogen and carbon dioxide. <i> Curr.Microbiol. </i><b> 5 </b>: 255-260 .

Li, Y., Engle, M., Weiss, N., Mandelco, L., Wiegel, J. (1994). <i>Clostridium thermoalcaliphilum</i> sp. nov., an anaerobic and thermotolerant facultative alkaliphile. <i> Int.J.Syst.Bacteriol. </i><b> 44 </b>: 111-118 .

Wiegel, J., Kuk, S. U., Kohring, G. W. (1989). <i>Clostridium thermobutyricum</i> sp. nov., a moderate thermophile isolated from a cellulolytic culture, that produces butyrate as the major product. <i> Int.J.Syst.Bacteriol. </i><b> 39 </b>: 199-204 .

Viljoen, J. A., Freda, E. B., Petersona, W. H. (1926). The fermentation of cellulose by thermophilic bacteria. <i> J.Agric.Sci.Cambridge </i><b> 16 </b>: 1-17 .
Bergey, D. H., Buchanan, R. E., Gibbons, N. E., (1974). Bergey's manual of determinative Bacteriology. 8th. EditionEdited by R. E. Buchanan, The Williams & Wilkins Co..

Jin, F., Yamasato, K., Toda, K. (1988). <i>Clostridium thermocopriae</i> sp. nov., a cellulolytic thermophile from animal feces, compost, soil, and a hot spring in Japan. <i> Int.J.Syst.Bacteriol. </i><b> 38 </b>: 279-281 .

Klaushofer, H., Parkkinen, E. (1965). Zur Frage der Bedeutung aerober und anaerober thermophiler Sporgenbildner als Infektionsurasache in Rübenzucker-fabriken. I. Clostridium thermohydrosulfuricum eine neue Art eines saccharoseabbauenden, thermophilen, schwefelwasserstoffbilden Clostridiums. <i> Z.Zuckerind. </i><b> 15 </b>: 445-449 .

(1988). Validation of the publication of new names and new combinations previously effectively published outside the IJSB. List No. 25. <i> Int.J.Syst.Bacteriol. </i><b> 38 </b>: 220-222 .
Le Ruyet, P., Dubourguier, H. C., Albagnac, G., Prensier, G. (1985). Characterization of <i>Clostridium thermolacticum </i>sp. nov., a hydrolytic thermophilic anaerobe producing high amounts of lactate. <i> Syst.Appl.Microbiol. </i><b> 6 </b>: 196-202 .