TY  - JOUR
PY  - 1886//
TI  - How far have modern improvements in production and transportation changed the principle that men should be left free to make their own bargains?
JO  - Science
A1  - Sumner, W. G.
SP  - 221
EP  - 228
VL  - 7
IS  - 161S
N2  - <p>[Abstract unavailable]</p>  <p>Language: en</p>
LA  - en
SN  - 0036-8075
UR  - http://dx.doi.org/10.1126/science.ns-7.161S.221-a
ID  - ref1
ER  -