Catholic Encyclopedia
St. Gertrude the Great, Benedictine, mystic, author, d. 1301 or 1302.
Catholic Information Network
Essay on SS. Gertrude the Great and Mechtilde.
Catholic Online
Prayer for sinners and for souls in purgatory.
Catholic Online: Saint Gertrude
Brief biography.
For All the Saints
Long reflection on the life and teachings of St. Gertrude the Great.
Lives of the Saints
St. Gertrude, virgin, abbess. From Fr. Alban Butler's Lives of the Saints. Confuses Gertrude of Helfta with Gertrude of Helfta, but it must be the latter who is meant.
Patron Saints Index
Profile of St. Gertrude the Great, also known as St. Gertrude of Helfta.
The Ecole Glossary
Brief biography of St. Gertrude the Great, by Karen Rae Keck.
Vietnamese Eucharistic Youth Society
The stories of SS. Margaret of Scotland and Gertrude (the Great), who share a feast day on 16 November. Suitable for children.