Sort:  
 last year 

👎 You're around the right time period. Although the book being referenced here wasn't published in English until a couple of years after the original version.

Coin Marketplace

STEEM 0.04
TRX 0.33
JST 0.080
BTC 62952.14
ETH 1665.57
USDT 1.00
SBD 0.42