1. Angeline J. Brandt, “The free Lie ring and Lie representations of the full linear group,“ Trans. Amer. Math. Soc. 56 (1944), 528–536.
2. Marshall Hall, Jr., “A basis for free Lie rings and higher commutators in free groups,“ Proc. Amer. Math. Soc. 1 (1950), 575–581.
3. Torsten Hannebauer and Ralph Stöhr, “Homology of groups with coefficients in free metabel/-ian Lie powers and exterior powers of relation modules and applications to group theory,“ in Proc. Second Internat. Group Theory Conf. (Bressanone/Brixen, June 11–17, 1989), Rend. Circ. Mat. Palermo (2) Suppl. 23 (1990), 77–113.
4. A.A. Klyachko, “Lie elements in the tensor algebra,“ Sibirsk Mat. Ž. 15 (1974), 1296–1304, 1430 (Russian). English translation: Siberian J. Math. 15 (1974), 914–921 (1975).
5. Witold Kraśkiewicz and Jerzy Weyman, “Algebra of coinvariants and the action of a Coxeter element,“ Bayreuth. Math. Schr. No. 63 (2001), 265–284 (Preprint, 1987).