A.D. Garnovskii and A.P.S. Sadimenko, Five- and Six- Membered Heteroaromatic Compounds as s and p Ligands. V.G. Granik, A.V. Kadushkin, and J. Liebscher, Synthesis of Amino Derivatives of Five Membered Heterocycles by Thorpe-Ziegler Cyclisation. E.S.H. El Ashry and N. Rashed, 1,2,4-Triazolo- and tetrazolo[x,y-z]Pyrimidines. I. Hermecz, Chemistry of Pyrido[2,1-b][1,3]oxazines, Pyrido[2,1-b][1,3]thiazines, and their Benzologs, Part IV. V.G. Granik, V.A. Makarov, and C. Párkányi, Enamines as Synthons in the Synthesis of Heterocycles. Subject Index.