Lawrence L. Larmore

On the fundamental group of a space of sections.

Enumerating immersions and embeddings of projective spaces

Twisted cohomology theories and the single obstruction to lifting.

Group extensions and twisted cohomology theories

Group Extensions and Principal Fibrations.

Mappings into loop spaces and central group extensions

Map Cohomology Operations and Enumeration of Vector Bundles

Obstructions to embedding and isotopy in the metastable range

Twisted cohomology and enumeration of vector bundles.

Enumeration of Liftings in the Non-Principal Case