- Shapes + Identification
- Gems + Identification -- Handbooks, manuals, etc
- Adopted children -- United States -- Identification -- Forms -- Periodicals
- Terrorists -- Identification -- Methodology -- History
- Livestock -- United States -- Identification -- Government policy
- Fishes + Identification -- Juvenile literature
- Coal -- Appalachian Basin -- Identification
- Rocks + Identification -- Comic books, strips, etc -- Juvenile literature
- Amphibians + Identification
- Freshwater fishes + Identification
- Terrorists + Identification + Government policy -- United States
- Birthparents + Identification
- Poison ivy + Identification -- Juvenile literature
- Fingerprints + Identification + Automation
- Dead + Identification + Case studies + Juvenile literature
- Alien plants -- Southern States -- Identification
- Drugs of abuse + Identification
- Criminals -- United States -- Identification
- Terrorists -- Germany -- Munich -- Identification
- Murderers -- Identification -- Fiction
- Criminals + Identification -- Fiction
- Livestock -- United States -- Identification
- Adoptees -- Kentucky -- Identification -- Case studies
- Fungi + Identification
- Marine invertebrates -- North America -- Identification
- Cattle + Identification
- Seafood -- Identification -- Databases
- Fuelwood -- United States -- Identification
- United States, National Aeronautics and Space Administration -- Officials and employees -- Identification -- Evaluation
- Visitors, Foreign + Identification + Government policy -- United States
- Extremists -- Identification
- Fingerprints + Identification -- Automation
- Roots (Botany) -- Identification -- Handbooks, manuals, etc
- Toxins + Identification -- Handbooks, manuals, etc
- Murderers + Identification -- Fiction
- Wild flowers -- Middle West -- Identification
- Atlantic sturgeon + Identification
- Escherichia coli + Identification -- Handbooks, manuals, etc
- Air pilots + Identification + Government policy -- United States
- Medical supplies -- United States -- Identification -- Government policy
- Butterflies -- Great Britain -- Identification
- Corporations -- Identification
- Missing persons + Identification + Political aspects
- Missing in action + Identification + Political aspects
- Introduced organisms -- Great Lakes Region (North America) -- Identification
- Enterobacteriaceae + Identification + Standards -- United States
- Birds -- Singapore -- Identification
- Animal tracks + Identification -- Juvenile literature
- Climbing plants -- United States -- Identification
- Prisoners of war -- United States -- Identification