Cluster — 32 works.
Defining concepts
Nature (18), Pastoral Retreat (17), Nature vs Civilization (11), Locus Amoenus (10), Ode (9), Imagination (9), Beatus Ille (Happy the Man Rural Retreat) (7), Joy (7), Flowers (7), Pastoral Countryside (7), Lyric (7), Water (5), Enchanted Wood (2) (5), Melancholy (5), Humility (4)