1. Klaus Wagner 1910–2000

   • Rainer Bodendiek
   • Bruno Bosbach

   OriginalPaper 22 April 2013 Pages: 3 - 17

2. On the Immersion Relation and an Embedding Problem for Infinite Graphs

   • Thomas Andreae

   OriginalPaper 22 April 2013 Pages: 18 - 25

3. A Note on Automorphisms of Coset Digraphs

   • Ulrike Baumann

   OriginalPaper 22 April 2013 Pages: 26 - 33

4. Graceful Labelings of Nearly Complete Graphs

   • Detlev Beutner
   • Heiko Harborth

   OriginalPaper 22 April 2013 Pages: 34 - 39

5. Ideal Divisibility Monoids

   • Bruno Bosbach

   OriginalPaper 22 April 2013 Pages: 40 - 67

6. On the Hamiltonicity of a Class of Generalized Petersen Graphs

   • Jan Ingo Flege
   • Rainer Bodendiek
   • Reinhard Rauscher

   OriginalPaper 22 April 2013 Pages: 68 - 105

7. On the Cycle Space of an Infinite 3-connected Graph

   • R. Halin

   OriginalPaper 22 April 2013 Pages: 106 - 113

8. On the Dedekind-MacNeille closure of an ordered set and a theorem of Novák

   • Egbert Harzheim

   OriginalPaper 22 April 2013 Pages: 114 - 117

9. On the Circumference of 3-connected Graphs

   • Heinz A. Jung*
   • Elkin Vumar

   OriginalPaper 22 April 2013 Pages: 118 - 127

10. Bounds for the Newton Number in the Plane

    • Arnfried Kemnitz
    • Meinhard Möller
    • Danja Wojzischke

    OriginalPaper 22 April 2013 Pages: 128 - 139

11. Bounds on Ramsey Numbers of Certain Complete Bipartite Graphs

    • Roland Lortz
    • Ingrid Mengersen

    OriginalPaper 22 April 2013 Pages: 140 - 149

12. Chromatic Number of Graphs each Path of which is 3-colourable

    • Bert Randerath
    • Ingo Schiermeyer

    OriginalPaper 22 April 2013 Pages: 150 - 155

13. On the Hamiltonicity of a Class of Generalized Petersen Graphs II

    • Reinhard Rauscher
    • Rainer Bodendiek
    • Jan Ingo Flege

    OriginalPaper 22 April 2013 Pages: 156 - 195