Current Studies on Combinatorial Designs＆By MARSHALL HALL,JR． 1
Quadratic Extensions of Cyclic Planes＆By R．H．BRUCK 15
On Homomorphisms of Projective Planes＆By D．R．HUGHES 45
Finite Division Algebras and Finite Planes＆By A．A．ALBERT 53
The Size of the 10×10 Orthogonal Latin Square Problem＆By L．J．PAIGE AND C．B．TOMPKINS 71
Some Combinatorial Problems on Partially Ordered Sets＆By R．P．DILWORTH 85
An Enumerative Technique for a Class of Combinatorial Problems＆By R．J．WALKER 91
The Cyolotomic Numbers of Order Ten＆By A．L．WHITEMAN 95
Some Recent Applications of the Theory of Linear Inequalities to Extremal Combinatorial Analysis＆By A．J．HOFFMAN 113
A Combinatorial Equivalence of Matrices＆By A．W．TUCKER 129
Linear Inequalities and the Pauli Principle＆By H．W．KUHN 141
Compound and Induced Matrices in Combinatorial Analysis＆By H．J．RYSER 149
Permanents of Doubly Stochastic Matrices＆By MARVIN MARCUS AND MORRIS NEWMAN 169
A Search Problem in the n-cube＆By A．M．GLEASON 175
Teaching Combinatorial Tricks to a Computer＆D．H．LEHMER 179
Isomorph Rejection in Exhaustive Search Techniques＆By J．D．SWIFT 195
Some Discrete Variable Computations＆By OLGA TAUSSKY AND JOHN TODD 201
Solving Linear Programming Problems in Integers＆By R．E．GOMORY 211
Combinatorial Processes and Dynamic Programming＆By RICHARD BELLMAN 217
Solution of Large Scale Transportation Problems＆By MURRAY GERSTENHABER 251
On Some Communication Network Problems＆By ROBERT KALABA 261
Directed Graphs and Assembly Schedules＆By J．D．FOULKES 281
A Problem in Binary Encoding＆By E．N．GILBERT 291
An Alternative Proof of a Theorem of Konig as an Algorithm for the Hitchcock Distribution Problem＆By M．M FLOOD 299
INDEX 309