Overween, [159]
Parasites, [31]
Parkinson, [16], [33], [41], [45], [49], [58], [59], [76], [77], [87]
quoted, [16], [50], [65], [71], [82], [93], [95]
Pollarding, [17]
Ranunculus, [10], [23], [68]-[70]
asiaticus, [68]
Roads, state of the, [12], [13]
Robinio of Paris, [33]