- Editions and commentaries on ancient Greek texts, such as the works of Aeschylus, Euripides, and Sophocles.
- Studies on Greek grammar, syntax, and metre.
- Analyses of Greek drama, including its structure, themes, and characters.
- Historical and biographical studies of ancient Greek authors and literary movements.
- Translations of ancient Greek texts into German.
Wecklein's scholarship is highly regarded and his works are still referenced by scholars and researchers today.