| Tag | Indicator | Content |
|---|---|---|
| 041 | ## | $aEnglish |
| 082 | ## | $a330 |
| 100 | 0# | $aRichard G. Lipsey |
| 245 | 03 | $aAn introduction to positive economics |
| 250 | ## | $a3rd. ed. |
| 260 | ## | $aLondon $bWeidenfeld and Nicolson $c1971 |
| 300 | ## | $axx, 740 p. $bfig. $c26 cm |
| 500 | ## | $aIncludes index. |
| 650 | 00 | $aECONOMICS |