Issue 1
Autocategories: IV. Drawing, graduation and coloration for autographic data
Pages 1-34
René Guitart
A Hopf formula for the fundamental group in the category of preordered groups
Pages 35-58
Aline Michel
Une généralisation du lemme de Yoneda
Pages 59-102
Jacques Penon
Strictly zero-dimensional biframes and Raney extensions
Pages 103-131
Anna Laura Suarez