D=6 supergravity
Urs Schreiber
superalgebra and (synthetic ) supergeometry
supergravity in dimension 6
Background on spin representations and supersymmetry:
221 2 (1983) 331-348 [doi:10.1016/0550-3213(83)90582-5]
Formulation of supergravity on superspace:
Moustafa A. Awada, Paul Townsend, Germán Sierra: Six-dimensional simple and extended chiral supergravity in superspace, Class. Quantum Grav. 2 (1985) L85 [doi:10.1088/0264-9381/2/4/005]
Leonardo Castellani, Riccardo D'Auria, Pietro Fré, §III.7 in: Supergravity and...