[en] Hadronic tt-bar production with semileptonic decays of either or both t and t-bar quarks gives distinctive transverse momentum correlations of electrons (or muons) and neutrinos. Multiple semileptonic modes of the t → b → c → s decay cascades are statistically quite probable, but explicit calculations show that they scarcely affect the ev correlations. Opposite sign dileptons, coming mainly from primary semileptonic decays of t and t-bar together, have correlations that also reflect the t quark mass but less decisively than the ev correlations. Events with large missing psub(T) and no identified leptons are also expected, at a rate comparable to high psub(T) charged leptons. Distinctive broad jet signatures are also expected for all these events, with specific correlations of the trigger lepton and jet momenta. (author)