AA ACOUSTICS                                         
AC AUTOMATION & CONTROL SYSTEMS                      
AD AGRICULTURE, DAIRY & ANIMAL SCIENCE               
AE AGRICULTURAL ENGINEERING                          
AF AGRICULTURAL ECONOMICS & POLICY                   
AH AGRICULTURE, MULTIDISCIPLINARY                    
AI ENGINEERING, AEROSPACE                            
AM AGRONOMY                                          
AQ ALLERGY                                           
AY ANATOMY & MORPHOLOGY                              
AZ ANDROLOGY                                         
BA ANESTHESIOLOGY                                    
BD BIODIVERSITY CONSERVATION                         
BU ASTRONOMY & ASTROPHYSICS                          
CN BEHAVIORAL SCIENCES                               
CO BIOCHEMICAL RESEARCH METHODS                      
CQ BIOCHEMISTRY & MOLECULAR BIOLOGY                  
CU BIOLOGY                                           
DA BIOPHYSICS                                        
DB BIOTECHNOLOGY & APPLIED MICROBIOLOGY              
DE PLANT SCIENCES                                    
DM ONCOLOGY                                          
DQ CARDIAC & CARDIOVASCULAR SYSTEMS                  
DR CELL BIOLOGY                                      
DS CRITICAL CARE MEDICINE                            
DT THERMODYNAMICS                                    
DW CHEMISTRY, APPLIED                                
DX CHEMISTRY, MEDICINAL                              
DY CHEMISTRY, MULTIDISCIPLINARY                      
EA CHEMISTRY, ANALYTICAL                             
EC CHEMISTRY, INORGANIC & NUCLEAR                    
EE CHEMISTRY, ORGANIC                                
EI CHEMISTRY, PHYSICAL                               
EP COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE         
ER COMPUTER SCIENCE, CYBERNETICS                     
ES COMPUTER SCIENCE, HARDWARE & ARCHITECTURE         
ET COMPUTER SCIENCE, INFORMATION SYSTEMS             
EV COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS  
EW COMPUTER SCIENCE, SOFTWARE ENGINEERING            
EX COMPUTER SCIENCE, THEORY & METHODS                
FA CONSTRUCTION & BUILDING TECHNOLOGY                
FF EMERGENCY MEDICINE                                
FI CRYSTALLOGRAPHY                                   
FY DENTISTRY, ORAL SURGERY & MEDICINE                
GA DERMATOLOGY                                       
GC GEOCHEMISTRY & GEOPHYSICS                         
GM SUBSTANCE ABUSE                                   
GU ECOLOGY                                           
HB EDUCATION, SCIENTIFIC DISCIPLINES                 
HL HEALTH CARE SCIENCES & SERVICES                   
HQ ELECTROCHEMISTRY                                  
HT EVOLUTIONARY BIOLOGY                              
HY DEVELOPMENTAL BIOLOGY                             
IA ENDOCRINOLOGY & METABOLISM                        
ID ENERGY & FUELS                                    
IF ENGINEERING, MULTIDISCIPLINARY                    
IG ENGINEERING, BIOMEDICAL                           
IH ENGINEERING, ENVIRONMENTAL                        
II ENGINEERING, CHEMICAL                             
IJ ENGINEERING, INDUSTRIAL                           
IK ENGINEERING, MANUFACTURING                        
IL ENGINEERING, MARINE                               
IM ENGINEERING, CIVIL                                
IO ENGINEERING, OCEAN                                
IP ENGINEERING, PETROLEUM                            
IQ ENGINEERING, ELECTRICAL & ELECTRONIC              
IU ENGINEERING, MECHANICAL                           
IX ENGINEERING, GEOLOGICAL                           
IY ENTOMOLOGY                                        
JA ENVIRONMENTAL SCIENCES                            
JU FISHERIES                                         
JY FOOD SCIENCE & TECHNOLOGY                         
KA FORESTRY                                          
KI GASTROENTEROLOGY & HEPATOLOGY                     
KM GENETICS & HEREDITY                               
KV GEOGRAPHY, PHYSICAL                               
KY GEOLOGY                                           
LE GEOSCIENCES, MULTIDISCIPLINARY                    
LI GERIATRICS & GERONTOLOGY                          
MA HEMATOLOGY                                        
MQ HISTORY & PHILOSOPHY OF SCIENCE                   
MU HORTICULTURE                                      
NE PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH       
NI IMMUNOLOGY                                        
NN INFECTIOUS DISEASES                               
NS NANOSCIENCE & NANOTECHNOLOGY                      
OA INSTRUMENTS & INSTRUMENTATION                     
OI INTEGRATIVE & COMPLEMENTARY MEDICINE              
OO MEDICAL ETHICS                                    
OP MEDICINE, LEGAL                                   
OU LIMNOLOGY                                         
PE OPERATIONS RESEARCH & MANAGEMENT SCIENCE          
PI MARINE & FRESHWATER BIOLOGY                       
PJ MATERIALS SCIENCE, PAPER & WOOD                   
PK MATERIALS SCIENCE, CERAMICS                       
PM MATERIALS SCIENCE, MULTIDISCIPLINARY              
PN MATHEMATICS, APPLIED                              
PO MATHEMATICS, INTERDISCIPLINARY APPLICATIONS       
PQ MATHEMATICS                                       
PT MEDICAL INFORMATICS                               
PU MECHANICS                                         
PW MEDICAL LABORATORY TECHNOLOGY                     
PY MEDICINE, GENERAL & INTERNAL                      
PZ METALLURGY & METALLURGICAL ENGINEERING            
QA MEDICINE, RESEARCH & EXPERIMENTAL                 
QE MATERIALS SCIENCE, BIOMATERIALS                   
QF MATERIALS SCIENCE, CHARACTERIZATION & TESTING     
QG MATERIALS SCIENCE, COATINGS & FILMS               
QH MATERIALS SCIENCE, COMPOSITES                     
QJ MATERIALS SCIENCE, TEXTILES                       
QQ METEOROLOGY & ATMOSPHERIC SCIENCES                
QU MICROBIOLOGY                                      
RA MICROSCOPY                                        
RB ROBOTICS                                          
RE MINERALOGY                                        
RO MULTIDISCIPLINARY SCIENCES                        
RQ MYCOLOGY                                          
RT CLINICAL NEUROLOGY                                
RU NEUROSCIENCES                                     
RX NEUROIMAGING                                      
RY NUCLEAR SCIENCE & TECHNOLOGY                      
RZ NURSING                                           
SA NUTRITION & DIETETICS                             
SD OBSTETRICS & GYNECOLOGY                           
SI OCEANOGRAPHY                                      
SR REMOTE SENSING                                    
SU OPHTHALMOLOGY                                     
SY OPTICS                                            
TA ORNITHOLOGY                                       
TC ORTHOPEDICS                                       
TD OTORHINOLARYNGOLOGY                               
TE PALEONTOLOGY                                      
TI PARASITOLOGY                                      
TM PATHOLOGY                                         
TQ PEDIATRICS                                        
TU PHARMACOLOGY & PHARMACY                           
UB PHYSICS, APPLIED                                  
UE IMAGING SCIENCE & PHOTOGRAPHIC TECHNOLOGY         
UF PHYSICS, FLUIDS & PLASMAS                         
UH PHYSICS, ATOMIC, MOLECULAR & CHEMICAL             
UI PHYSICS, MULTIDISCIPLINARY                        
UK PHYSICS, CONDENSED MATTER                         
UM PHYSIOLOGY                                        
UN PHYSICS, NUCLEAR                                  
UP PHYSICS, PARTICLES & FIELDS                       
UR PHYSICS, MATHEMATICAL                             
UY POLYMER SCIENCE                                   
VE PSYCHIATRY                                        
VI PSYCHOLOGY                                        
VY RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING     
WC REHABILITATION                                    
WE RESPIRATORY SYSTEM                                
WF REPRODUCTIVE BIOLOGY                              
WH RHEUMATOLOGY                                      
XE AGRICULTURE, SOIL SCIENCE                         
XQ SPECTROSCOPY                                      
XW SPORT SCIENCES                                    
XY STATISTICS & PROBABILITY                          
YA SURGERY                                           
YE TELECOMMUNICATIONS                                
YO TOXICOLOGY                                        
YP TRANSPLANTATION                                   
YR TRANSPORTATION SCIENCE & TECHNOLOGY               
YU TROPICAL MEDICINE                                 
ZA UROLOGY & NEPHROLOGY                              
ZC VETERINARY SCIENCES                               
ZD PERIPHERAL VASCULAR DISEASE                       
ZE VIROLOGY                                          
ZK WOMEN'S STUDIES                                   
ZM ZOOLOGY                                           
ZQ MINING & MINERAL PROCESSING                       
ZR WATER RESOURCES