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Eight lectures on the signs of life from their electrical aspect
Select nursery stock : wholesale price list, September 1942
Ledden's seeds and plants : 1936 catalogue
1958 spring offering - flowering size plants
Seeds, agricultural implements and wooden ware
Acoustic fluctuations due to shallow thermal microstructure
Seed annual Spring 1918
Cattleyas and allied hybrids
Catalog and price list of strawberry plants and other small fruits
Control of woody weeds: some physiological aspects