1．Developments of the Theory of Conformal Mapping and Riemann Surfaces Through a Century＆By Lars V．Ahlfors 3
2．Variational Methods in the Theory of Riemann Surfaces＆By Menahem Schiffer 15
3．Semigroups of Transformations of a Riemann Surface into Itself＆By Paul C．Rosenbloom 31
4．An Extremal Boundary Problem＆By A．C．Schaeffer 41
5．On Dirichlet＇s Principle＆By Max Shiffman 49
6．A Problem Concerning the Continuation of Riemann Surfaces＆By Maurice Heins 55
7．Construction of Functions with Prescribed Properties on Riemann Surfaces＆By Leo Sario 63
8．Metric Riemann Surfaces＆By Eugenio Calabi 77
9．Some Results Related to Extremal Length＆By James A．Jenkins 87
10．Random Walk and the Type Problem of Riemann Surfaces＆By Shizuo Kakutani 95
11．Construction of Parabolic Riemann Surfaces by the General Reflection Principle＆By Wilfred Kaplan 103
12．On the Ideal Boundary of a Riemann Surface＆By H．L．Royden 107
13．Topological Methods on Riemann Surfaces Pseudoharmonic Functions＆By Marston Morse and James A．Jenkins 111
14．Coverings of Riemann Surfaces＆By Leonce Foures 141
15．Partial Differential Equations and Pseudo-Analytic Functions on Riemann Surfaces＆By Lipman Bers 157
16．Dirichlet＇s Principle and Some Inequalities in the Theory of Conformal Mapping＆By Zeev Nehari 167
17．On the Effective Determination of Conformal Maps＆By S．E．Warschawski 177
18．Structure of Complex Spaces＆By S．Bochner 189
19．Real and Complex Operators on Manifolds＆By D．C．Spencer 203
20．Multivalued Solutions of Linear Partial Differential Equations＆By S．Bergman 229
21．The Theorem of Riemann-Roch for Adjoint Systems on Kahlerian Varieties＆By K．Kodaira 247