2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/231206We review the structure of local Lagrangians and field equations for free bosonic and fermionic gauge fields of mixed symmetry in flat space. These are first presented in a constrained setting and then the ($\g$-)trace constraints on fields and gauge parameters are eliminated via the introduction of a number of auxiliary fields.13 pages, LaTeX. References added. To appear in the proceedings of the XVIII SIGRAV Conference on General Relativity and Gravitational Physics (Cosenza, 22-25 September 2008)High Energy Physics - Theorytext