Annals of Pure and Applied Logic 54 (1991) 293 North-Holland Author Index Volume 54 (1991) (The issue number is given in front of the page numbers.) (1) 1-15 ANDRETTA, A., Large cardinals and iteration trees of height w (2) 101-120 ARAI, T., A slow growing analogue to Buchholz’ proof (3) 195-227 BAUMGARTNER, J.E., On the size of closed unbounded sets BIANCONI, R., Model completeness results for elliptic and (2) 121-136 abelian functions CENZER, D. and REMMEL, J., Polynomial-time versus (1) 17- 58 recursive models DuBOSE, D.A., Determinacy and the sharp function on the (1) 59- 85 reals FRIEDMAN, H.M. and HIRST, J.L., Reverse mathematics and (3) 229-253 homeomorphic embeddings GERMANO, G.M. and MAZZANTI, S., General iteration and (2) 137-178 unary functions (3) 255-263 HARIZANOV, V.S., Uncountable degree spectra (3) 229-253 HIRST, J.L., see FRIEDMAN, H.M. MARCONE, A., Borel quasi-orderings in subsystems of second- (3) 265-291 order arithmetic (2) 137-178 MAZZANTI, S., see GERMANO, G.M. (1) 17- 58 REMMEL, J., see CENZER, D. SPECTOR, M., Iterated extended ultrapowers and supercom- (2) 179-194 pactness without choice (1) 87- 99 ZIVALJEVIC, B., Every Borel function is monotone Borel Elsevier Science Publishers B.V.