The Laches (Greek: Λάχης) is a dialogue by Plato on the nature of courage. Among Socrates' interlocutors are two notable Athenian generals, Laches and Nicias.
Free Online Texts
Gutenberg: Laches by Plato, translated by Benjamin Jowett, multiple formats.
Loebulus. L165 - Plato - Laches. Protagoras. Meno. Euthydemus. PDF of public domain Loeb edition in Greek and English.
University of Adelaide: Laches, translated by Benjamin Jowett. Multiple formats.
Wikisource: Laches, translated by Benjamin Jowett. Online text.
Approaching Plato: A Guide to the Early and Middle Dialogues
Librivox: Laches - audiobook.
Philpapers: Plato - Laches - open access papers.
Stanford Encyclopedia of Philosophy: Plato's Shorter Ethical Works, by Paul Woodruff.
The Great Conversation: Further reading at Tom's Learning Notes
Thucydides: History of the Peloponnesian War - describes the career of Nicias and his ultimate fate in the Sicilian Expedition.
Ancient Greek resources: learn to read Greek classics in the original.
Bloom's Western Canon: Plato's Dialogues are listed.