College Press Commentary on 1 & 2 Samuel
Adam Clarke's Commentary on 1 Samuel
Jamieson, Fausset, & Brown Commentary on 1 Samuel
Article from Baker's Evangelical Dictionary of Biblical Theology on 1 & 2 Samuel
International Standard Bible Encyclopedia (ISBE) Article on the Books of Samuel
Charles Spurgeon's Sermons on 1 Samuel
Samuel, the prophet, by F. B. Meyer
Keil & Delitzsch Commentary on the Books of Samuel
A Critical & Exegetical Commentary on the Books of Samuel by Henry Preserved Smith