Useful hanouts for hpsgs:
encyclopedia of hpsg
lexicon
foundations of hpsg
elementary principles of hpsg
linguistic approaches to hpsgs
ALE manual
lexical rules
hpsg summary
development environment
minimal recursive semantics MRS
implementing MRS
ERG english resource grammar
Kanlaya HPSG - universal principles
Kanlaya HPSG - English grammar
Kanlaya HPSG lexical rules
Kanlaya HPSG - types
HPSG synopsis
HPSG grammar
HPSG implementation
elementary HPSG principles