> 58-XX Global analysis, analysis on manifolds > 58HXX Pseudogroups, differentiable groupoids and general structures on manifolds

58H05 Pseudogroups and differentiable groupoids	58H10 Cohomology of classifying spaces for pseudogroup structures (Spencer, Gelfand-Fuks, etc.)	58H15 Deformations of structures
58H99 None of the above, but in this section

58HXX Pseudogroups, differentiable groupoids and general structures on manifolds