A Talk to City Boys: Short essay by Washington Gladden.
Cyberhymal: Washington Gladden: Biography and hymns of Washington Gladden (1836-1918).
O Master, Let Me Walk with Thee: Hymn written by Washington Gladden.
Washington Gladden: Article on Gladden's social gospel theology from the Cambridge History of English and American Literature.
Washington Gladden: A contemporary (1911) biographical article on the minister and social reformer.
Washington Gladden on Lyman Abbott: From J. W. McGarvey's Short Essays in Biblical Criticism.
Who Wrote the Bible?: Project Gutenberg Edition of the book by Washington Gladden. Downloadable in a number of formats.