1 Table of Contents: “...Graphs -- Walks, Paths and Cycles -- Connectivity -- Trees -- Linear Spaces Associated with Graphs...”

2 Table of Contents: “...1 Graphs -- 2 Walks, Paths and Cycles -- 3 Cuts and Connectivity -- 4 Trees -- 5 Linear Spaces...”

3 Table of Contents: “... Paths -- Coloring, Handshakes -- Part IV Data.- Identification Numbers -- Data Transmission...”

4 Table of Contents: “...1 Graphs -- 2 Walks, Paths and Cycles -- 3 One-Factors and One-Factorizations -- 4 Orthogonal One...”

5 Table of Contents: “... -- The theory of left-right paths -- The graph of the chromial of a graph -- An alternative to the round robin...”

6 Table of Contents: “... Cycles and paths -- 3.4 Vertex-magic total labelings of wheels -- 3.5 Vertex-magic total labelings...”