. . "The Copa; an investigation of the problem of date and authorship, with notes on some passages of the poem"@en . "The Copa : an investigation of the problem of date and authorship, with notes on some passages of the poem" . . "Copa" . . "The Copa: an investigation of the problem of date and authorship, with notes on some passages of the poem, etc. [A thesis.]"@en . . "The Copa : an investigation of the problem of date and authorship with notes on some passages of the poem" . . . . . . . . . "The Copa an investigation of the problem of date and authorship, with notes on some passages of the poem"@en . . "The Copa : an investigation of the problem of date and authorship" . . . . . . "Copa." . . "Appendix Vergiliana." . .