Water content, [55], [73], [74]

effect of, [06], [08], [17], [33], [75]-84

Wear, resistance to ([see Abrasion])

Weight, relation to mechanical properties, [54]-55

Willow, [44]

black, [13]

Work ([see Resilience]), [30], [54]

Working plan, [88], [127]-137

Xylotrya, [67]

Yellow Poplar, [44]