Original incunable leaf from Graduale Romanum.
Post Incunable Leaf Music Graduale Romanum (I) - 1500
Post Incunable Leaf Music Graduale Romanum (J) - 1500
Post Incunable Leaf Music Graduale Romanum (E) - 1500
Post Incunable Leaf Music Graduale Romanum (C) - 1500
Post Incunable Leaf Hortus Sanitatis Colored Woodcuts Lapidibus (H) - 1511
Post Incunable Leaf Hortus Sanitatis Colored Woodcuts Botany (R) - 1511
