| gptkb:UKIRT_Infrared_Deep_Sky_Survey_(UKIDSS) | gptkb:SDSS | 
                        
                            
                                | gptkb:UKIRT_Infrared_Deep_Sky_Survey_(UKIDSS) | gptkb:2MASS | 
                        
                            
                                | gptkb:WISE_survey | gptkb:IRAS | 
                        
                            
                                | gptkb:HIPASS | HIJASS | 
                        
                            
                                | gptkb:NRAO_VLA_Sky_Survey | Faint Images of the Radio Sky at Twenty-Centimeters | 
                        
                            
                                | gptkb:VVV_survey | VPHAS+ | 
                        
                            
                                | gptkb:HIPASS | gptkb:ALFALFA | 
                        
                            
                                | gptkb:VVV_survey | VVVX survey | 
                        
                            
                                | gptkb:2dFGRS | gptkb:Sloan_Digital_Sky_Survey | 
                        
                            
                                | gptkb:VIKING_Survey | VISTA Deep Extragalactic Observations Survey | 
                        
                            
                                | gptkb:WISE_survey | gptkb:2MASS | 
                        
                            
                                | gptkb:VIKING_Survey | gptkb:VISTA_Hemisphere_Survey | 
                        
                            
                                | gptkb:UKIRT_Infrared_Deep_Sky_Survey_(UKIDSS) | gptkb:VISTA | 
                        
                            
                                | gptkb:HIPASS | GASS | 
                        
                            
                                | gptkb:Byurakan_Survey | Second Byurakan Survey | 
                        
                            
                                | gptkb:National_Comorbidity_Survey | gptkb:National_Comorbidity_Survey_Replication | 
                        
                            
                                | gptkb:VVV_survey | UKIDSS GPS | 
                        
                            
                                | gptkb:VISTA_Variables_in_the_Via_Lactea_Survey | gptkb:VISTA_Hemisphere_Survey | 
                        
                            
                                | gptkb:National_Comorbidity_Survey | gptkb:National_Comorbidity_Survey-Adolescent_Supplement | 
                        
                            
                                | gptkb:CFHTLenS_project | CFHT Legacy Survey |