Slater collaborated with Gertrude Elles on the stratigraphy of the Lower Palaeozoic (Elles and Slater 1906) of Wales.
Gertrude Stein | Gertrude Dunn | Gertrude Lawrence | Gertrude Berg | Saint Gertrude | Gertrude | Gertrude Jekyll | Gertrude Bell | Gertrude Atherton | Gertrude (Hamlet) | Gertrude B. Elion | Gertrude Tuckwell | Gertrude the Great | Gertrude of Nivelles | Gertrude of Flanders, Duchess of Lorraine | Gertrude of Brunswick | Gertrude Kleinová | Gertrude Himmelfarb | D'elles | St. Gertrude Roman Catholic Church | Gertrude Warner | Gertrude Vanderbilt Whitney | Gertrude Simmons Burlingham | Gertrude Sanford Legendre | Gertrude Psalter | Gertrude of Flanders, Countess of Savoy | Gertrude of Flanders (Blackadder) | Gertrude of Flanders | Gertrude Johnson | Gertrude Greene |