1. A. A. Beilinson and P. Deligne, Motivic polylogarithms and Zagier’s conjecture,Unfinished manuscript.
2. A. A. Beilinson and A. M. Levin, The elliptic polylogarithms, Proc. Symp. in Pure Math., vol. 55, (1994), part 2, 126–129.
3. D. J. Broadhurst, On the enumeration of irreducible k-fold sums and their role in knot theory and field theory, Preprint hep-th/9604128.
4. P. Deligne, Le group fondamental de la droite projective moins trois points, In: Galois groups over ℚ. Publ. MSRI, no. 16 (1989) 79–298.
5. P. Deligne, A letter to D. Broadhurst, June 1997.