The Geometry of Metric and Linear Spaces : Proceedings of a Conference Held at Michigan State University East Lansing June 17–19 1974 Four point properties and norm postulates On the equilateral feeble four point property Hypermetric spaces Metric problems in elliptic geometry Discrepancy and sums of distances between points of a metric space Metric embedding techniques applied to geometric inequalities Angles in metric spaces Geometric fixed point theory and inwardness conditions On some aspects of fixed point theory in Banach spaces Mimicry in normed spaces Smoothness classification of reflexive spaces I Norm identities which characterize inner product spaces Ratio sequences of chains in connected metric spaces Polygons k Equilateral (2k+1) gons span only even dimensional spaces Covering space with convex bodies Intersectional configuration of convex sets Metric dependence and a sum of distances Tverberg type theorems in convex product structures Intersecting families of convex cover order two A helly type theorem for widths Problems.