Herewith the morning’s harvest of commented Lucretius editions on Google Books, beginning with Lachmann (1850), who first demonstrated the importance of the Leiden codices VLF 30 and VLQ 94 (both Carolingian, from around 825) as the oldest and most reliable manuscripts.
Lachmannus, Carolus. T. Lucreti Cari De Rerum Natura Libri Sex. Berlin, Georg Reimer, 1850. Google Books
Munro, H.A.J. T. Lucreti Cari De Rerum Natura Libri Sex, with Notes and a Translation. 2nd ed. Vol. I: Text and Notes. Cambridge: Deighton Bell and Co., 1866. Google Books. Vol. II 1864. Google Books.
Warburton Lee, J.H. T. Lucreti Cari De Rerum Natura Libri I–III, edited with Introduction and Notes. London: MacMillan and Co., 1893. Google Books.
Kelsey, Francis W. T. Lucreti Cari De Rerum Natura Libri Sex, with an Introduction and Notes to Book I, III, and V. 4th ed. Boston: Allyn and Bacon, 1896. Google Books
Giussani, Carlo. T. Lucreti Cari De Rerum Natira Libri Sex, Revisione del Testo, Commento e Studi Introdittivi. Vol. 3, Libro II e IV. Torino: Ermanno Loescher, 1897. Google Books
Duff, J.D. T. Lucreti Cari De Rerum Natura Liber Tertius, edited with introduction, notes, and index. Cambridge: Cambridge University Press, 1903. Pitt Press Series. Google Books.
Pascal, Carlo. T. Lucreti Cari De Rerum Natura Liber Primus, Introduzione e Commentario Critico. Rome: Società Editrice Dante Alichieri, 1904. Google Books.