Following are some works (collected more or less at random from L'Année Philologique and other sources) which may be of use or interest.
Adcock, F. E. Caesar as a man of letters (Cambridge, 1956)
Baehrens, Emil. Fragmenta Poetarum Latinorum (Teubner, 1963).
Bailey, Cyril. Lucretius. London, 1949.
Balsdon, J. P. V. D., Julius Caesar and Rome (English Universities Press 1967)
Balsdon, J. P. V. D., Julius Caesar; a political biography (Atheneum 1967)
Beagon, Mary. Roman nature: the thought of Pliny the Elder (Oxford University Press, 1992).
Beekes, R. S. P. Comparative Indo-European Linguistics
Benedektson, D. T. Propertius, Modernist Poet of Antiquity (Southern Illinois University Press, 1989).
Bradford, Ernle Dusgate Selby, Julius Caesar : the pursuit of power ( Morrow 1984)
Brown, Robert D. Lucretius on Love and Sex. A Commentary on De Rerum Natura IV 1030-1287. Columbia Studies in the Classical Tradition XV (Brill 1987).
Buck, C. D. A Grammar of Oscan and Umbrian
Buck, C. D. Comparative Grammar of Greek and Latin
Clay, Diskin. Lucretius and Epicurus (Cornell U. Press 1983).
Coffey, M. Roman Satire (London 1976)
Collins, J. H., "Caesar as political propagandist," ANRW 1.1 (1972)
Commager, Steele. A prolegomenon to Propertius (delivered April 7 and 8, 1971. University of Cincinnati, 1974).
Conte, Gian Biagio. Genres and readers : Lucretius, love elegy, Pliny's Encyclopedia (Johns Hopkins University Press, c1994).
Copley, Frank. Latin Literature from the beginnings to the close of the second century A.D. (University of Michigan Press 1969).
Davis, John T. Dramatic pairings in the elegies of Propertius and Ovid ( Paul Haupt, 1977).
Dudley, D. R. (ed.), Lucretius (London 1965).
Duff, J Wight. A literary history of Rome from the origins to the close of the golden age (T. Fisher Unwin, 1910).
Duff, J Wight. A literary history of Rome in the silver age (ed. A. M. Duff [the author's son]: London 1960).
Duff, J. W., Roman Satire (California 1936)
Elegies, book I[-IV, by] Propertius. Edited by W.A. Camps (Cambridge University Press, 1961-67).
Ferrero, Guglielmo, 1871-1942, The life of Caesar (Norton 1962)
Fowler, Don. "Lucretius and Politics," in Griffin, M. & Barnes, J. (eds.), Philosophia Togaga: Essays on Philosophy and Roman Society (Oxford 1989).
French, Roger and Frank Greenaway (eds.). Science in the early Roman Empire: Pliny the Elder, his sources and influence (London : Croon Helm, c1986).
Gelzer, Matthias, Caesar: politician and statesman (Harvard University Press 1968)
Gordon, C. A. A Bibliography of Lucretius (St. Paul's Bibliograpies 1985).
Govaets, S. Lucrèce, De Rerum Natura. Index Verborum, Listes de Fréquence, Relevès Grammaticaux (Liege 1986).
Grant, Michael. Cicero. Selected Works (Penguin 1960). [Introduction is well worth reading.]
Grant, Michael. Roman literature (Cambridge University Press 1954).
Grimal, Pierre. Cicerco
Hadas, Moses. A history of Latin literature (Columbia University Press 1952).
Heinze, R. Vergil's Epic Technique
Hinds, S. Metamorphosis of Persephone
Hunt, H. A. K. The Humanism of Cicero (Melbourne 1954)
Janssen, H H. Oscan and Umbrian Inscriptions.
Kahn, Arthur David, The education of Julius Caesar: a biography, a reconstruction (Schocken Books 1986)
Kenney, E J, & W Clausen. The Cambridge history of ancient literature II: Latin literature (Cambridge 1982)
Kenney, E. J. 'Doctus Lucretius', Mnemosyne 23 (1970) 366-92.
Lesky, A. A History of Greek Literature
Lyne, R. O. A. M. Further Voices in the Aeneid
MacKendrick, Paul. The Philosophical Books of Cicero. (St. Martin's Press 1989).
Marcus Porcius Cato, Res Rusticae (Loeb Classical Library)
Marcus Terentius Varro, de Lingua Latina
Masson, J. Lucretius: Epicurean and Poet (London 1907-9).
May, James M. Trials of Character: the Eloquence of Ciceronian Ethos (University of North Carolina Press 1988)
Minadeo, Richard. The lyre of science; form and meaning in Lucretius' De rerum natura. Detroit, Wayne State University Press, 1969.
Minyard, J. D. Lucretius and the Late Republic. An Essay in Roman Intellectual History (Brill, 1987).
Mitchell, Thomas N. Cicero, the Senior Statesman (Yale Univeristy Press, 1991)
Momigliano, A. 1957. 'Perizonius, Niebuhr and the character of early Roman tradition,' Journal of Roman Studies 47, 104-114.
Morgan, Kathleen. Ovid's art of imitation: Propertius in the Amores (Brill, 1977).
Napoleon I, Emperor of the French, Précis des guerres de César (Jovene 1984)
Palmer, L. R. The Latin Language
Papanghelis, Theodore D. Propertius: a Hellenistic poet on love and death (Cambridge University Press, 1987).
Poeschl, V. Image and Symbol in the Aeneid.
Santayana, G. Three Philosophical Poets: Lucretius, Dante and Goethe (Cambridge, Mass. 1910).
Sellar, W. Y. The Roman Poets of the Republic (Oxford 1889).
Sihler, Andrew. New Comparative Grammar of Greek and Latin.
Sikes, E. E. Lucretius, Poet and Philosopher (Cambridge 1936).
Stahl, Hans-Peter. Propertius, Love and War: Individual and State under Augustus (University of California Press, 1985).
Sullivan, J. P., The Satyricon of Petronius (London 1968)
Teuffel, W. S. A history of Roman literature. Translated, with the author's sanction by Wilhelm Wagner (London: George Bell and Sons 1873).
The elegies of Propertius. Edited with an introduction and commentary by H. E. Butler and E. A. Barber (Hildesheim, G. Olms, 1964 ["Reproduction of the 1933 Oxford edition"]).
Tingay, Graham, Julius Caesar (Cambridge University Press 1991)
Walsh, P. G., The Roman Novel (Cambridge 1970)
Warden, John. Fallax Opus. Poet and Reader in the Elegies of Propertius (University of Toronto Press, 1980).
Warmington, Remains of Old Latin (Loeb Classical Library)
Watkins, Calvert. How to Kill a Dragon. Oxford: Oxford University Press, 1995.
Weinstock, Divus Julius (Oxford 1971)
West, D. The Imagery and Poetry of Lucretius (Edinburgh 1969).
Williams, G. Technique and Ideas in the Aeneid.
Williams, G. Tradition and Originality in Roman Poetry.
Williams, R. D Darkness Visible
Wisse, J. Ethos and Pathos from Aristotle to Cicero (Hakkert 1989)
Woltjer, J. Lucretii philosophia cum fontibus comparata. New York : Garland, 1987.
Wood, Neal. Cicero's Social and Political Thought (University of North Carolina Press 1988)