A Homeric Dictionary by Georg Autenreith (1873)

A Greek-English Lexicon by Liddell & Scott, 9th ed. rev'd by Jones (Oxford, 1940)

An Intermediate Greek-English Lexicon by Liddell & Scott

English-Greek Dictionary: A Vocabulary of the Attic Language by Woodhouse (1910)

A Greek Grammar for Colleges by Herbert Weir Smyth (1920). Note that this is the first edition, whose section numbers differ from those of the widely cited rev'd ed. (1956).

Syntax of Classical Greek from Homer to Demosthenes by Basil L. Gildersleeve (1900)

Overview of Greek Syntax by Jeffrey A. Rydberg-Cox

GREEK GRAMMAR ON THE WWW: awesome! much fuller version of all this

THE PERSEUS DIGITAL LIBRARY: your first stop for Classics on the WWW