**Ars Combinatoria****Volume LXXV, April, 2005**

**M. Esmaeili, M.R. Yazdani and T.A. Gulliver**, “Optimal Binary Linear Codes”**Haruko Okamura**, “Two paths joining given vertices in (2k+1)-edge-connected graphs”**Stephen Guattery, Gary Haggard and Ronald C. Read**, “Chromatic Equivalence of Generalized Ladder Graphs”**Ji Young Choi and Jonathan D.H. Smith**, “On The Combinatorics Of Multi-Restricted Numbers”**P. Katerinis**, “Minimum Degree and the Orientation of a Graph”**Hendrik Van Maldeghem and Valerie Ver Gucht**, “Bi-slim Flag-Transitive Geometries of Gonality 3: Construction and Classification”**Miho Kimura and Sanpei Kageyama**, “Recursive constructions on large sets of some balanced incomplete block designs”**M.M.M. Jaradat**, “The Basis Number of the Direct Product of a Theta Graph and a Path”**Sergio R. Canoy, Jr. and Gilbert B. Cagaanan**, “On the Hull Number of the Composition of Graphs”**Jia Shen and Heping Zhang**, “k-factor-covered Regular Graphs”**Osamu Shimabukuro**, “On the nonexistence of perfect codes in J(2w+p2,w)”**Jianping Roth and Wendy Myrvold**, “Simpler Projective Plane Embedding”**Atsuhiro Nakamoto, Katsuhiro Ota and Mamoru Watanabe**, “On 3-coloring of plane triangulations”**Iwona Wloch and Andrzej Wloch**, “The total number of maximal k-independent sets in the generalized lexicographical product of graphs”**Huaien Li and David C. Torney**, “Enumerations of Unlabelled Multigraphs”**M.H. Eggar**, “On wins in round robin tournaments”**A. Hoorfar and G.B. Khosrovshahi**, “On the nonexistence of Steiner t-(v,k) trades”**Turker Biyikoglu**, “Degree Sequences of Halin Graphs, and Forcibly Cograph-graphic Sequences”**Xin Wang and Yanxun Chang**, “The spectrum for self-converse directed BIBDs with block size four”**C.C. Lindner and E.S. Yazici**, “The Triangle Intersection Problem for Kite Systems”**Rong Luo and Morgan Warner**, “On Potentially Kk-graphic Sequences”**Ralph Grimaldi and Silvia Heubach**, “Binary Strings Without Odd Runs of Zeros”**Xueliang Li, V. Neumann-Lara and E. Rivera-Campo**, “Two Approaches for the Generalization of Leaf Edge Exchange Graphs on Spanning Trees to Connected Spanning k-Edge Subgraphs of a Graph”**Sergey Kitaev and Toufik Mansour**, “Simultaneous Avoidance Of Generalized Patterns”**Yang Yuansheng, Xu Xirong, Xi Yue and Qiao Jing**, “On Harmonious Labelings of the Balanced Quadruple Shells”**Stephen Hartke**, “The Elimination Procedure for the Phylogeny Number”**Hong-Jian Lai, Deying Li, Jingzhong Mao and Mingquan Zhan**, “Supereulerian planar graphs”**C.C. Lindner and Antoinette Tripodi**, “The Metamorphosis of K4 \ e Designs Into Maximum Packings Of Kn With 4-Cycles”