1 INTRODUCTION  
2 SURVEY DESCRIPTION  
2.1 Ancillary data  
3 SELECTING C II ], C III ] AND C IV EMITTERS  
3.1 Redshifts  
3.2 Final selection criteria  
4 PROPERTIES OF THE CII], CIII] AND CIV SAMPLES  
4.1 Colour-colour properties  
4.2 Observed and rest-frame $U-B$ colours  
4.3 UV slope $\beta$  
4.4 $\mathbf{EW}_{\mathrm{rest}}$ distribution  
4.5 HST morphologies  
4.6 Chandra X-ray and VLA radio counterparts  
4.7 Average SFRs and BHARs  
5 DISCUSSION  
5.1 C II ] emitters $z\sim0.68$  
5.2 C III ] emitters at $z\sim1.05$  
5.3 C IV emitters $z\sim1.53$  
6 CONCLUSIONS