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 0.32
JST 0.081
BTC 61383.18
ETH 1642.90
USDT 1.00
SBD 0.41