Multiple thesaurus entries similar to pH were found:
- Abstract Bibliographies (2004)
- Acceleration (Physics) (1982 2004)
- Acoustic Phonetics (2004)
- Adapted Physical Education
- Agraphia (2004)
- Aims of Education (Philosophical Issues)
- Allomorphs (1967 1980)
- Alphabetic Filing
- Alphabetizing Skills (2004)
- Alphabets
- Amphibian Studies (2004)
- Amphibians (2004)
- Anaphora (Linguistics) (2004)
- Annotated Bibliographies
- Aphasia
- Areas (Geographic)
- Asphalts (2004)
- Atmosphere (Social)
- Atmospheric Pollution (2004)
- Atomic Physics
- Audition (Physiology) (1967 1980)
- Autobiographies
- Bibliographic Citations (1969 1980) (2004)
- Bibliographic Control (2004)
- Bibliographic Coupling (2004)
- Bibliographic Databases
- Bibliographic Instruction
- Bibliographic Records (2004)
- Bibliographic References (2004)
- Bibliographic Utilities (2004)
- Bibliographies
- Biographical Inventories
- Biographical Profiles
- Biographies
- Biophysics
- Brain Hemisphere Functions
- Calligraphy (2004)
- Capitalization (Alphabetic) (2004)
- Cartography
- Cell Phones
- Choreography
- Chromatography (2004)
- City Demography (1966 1980) (2004)
- Clerk Stenographers (2004)
- College Sophomores (2004)
- Computer Graphics
- Computer Peripherals
- Computerphobia (2004)
- Cryptography (2004)
- Crystallography (2004)
- Cultural Geography
- Cyrillic Alphabet (2004)
- Delphi Technique
- Demography
- Depressed Areas (Geographic) (1966 1980) (2004)
- Diffusion (1967 1982) (Physics) (2004)
- Diffusion (Physics) (2004)
- Discographies (2004)
- Dolphins (2004)
- Dysgraphia
- Dysphasia
- Dysphonia
- Dysphoria
- Echophasia (2004)
- Economic Geography
- Educational Philosophy
- Electrochromatography (2004)
- Electroencephalography
- Engineering Graphics (2004)
- Ethnography
- Exercise (Physiology) (1969 1980)
- Exercise Physiology
- Filmographies
- Footnotes (Bibliographic)
- Force (Physical) (2004)
- Foreign Trained Physicians
- Generative Phonology (2004)
- Geographic Concepts
- Geographic Dialects (2004)
- Geographic Distribution
- Geographic Information Systems
- Geographic Isolation
- Geographic Location
- Geographic Mobility (1980 1980)
- Geographic Regions
- Geography
- Geography Instruction
- Geophysics
- Grapheme Phoneme Correspondence
- Graphemes
- Graphic Arts
- Graphic Novels
- Graphic Organizers (2004)
- Graphing Calculators
- Graphs
- Gravity (Physics) (2004)
- Hagiographies (1971 1980)
- Hearing (Physiology)
- Hemispheric Specialization (Brain)
- Heterophoria (1968 1974) (2004)
- Historical Geography
- Historiography
- Holography (2004)
- Homophobia (2004)
- Human Geography
- Human T Cell Lymphotropic Virus Type 3
- Ideography
- Initial Teaching Alphabet
- Language Records (Phonograph) (1966 1980) (2004)
- Letters (Alphabet) (2004)
- Lexicography
- Mapping (Cartography)
- Mathophobia
- Mechanics (Physics)
- Metaphors (2004)
- Methylphenidate
- Micrographics (2004)
- Microphones
- Microphotography
- Mobile Phones
- Monographs (2004)
- Morphemes
- Morphemics
- Morphology (Languages)
- Morphophonemics
- Mortality (Physiology)
- National Demography (1966 1980)
- Non Latin Alphabets (2004)
- Nonroman Alphabets (2004)
- Nuclear Physics
- Oceanography
- Ophthalmology
- Orthographic Projection (2004)
- Orthographic Symbols
- Paedophilia
- Pamphlets
- Paragraph Composition
- Paragraphs (2004)
- Patient Physician Relationship
- Pedophiles
- Pedophilia
- Petrography
- pH (2004)
- Pharmaceutical Education
- Pharmacists (2004)
- Pharmacology
- Pharmacy
- Phenomenology
- Pheul
- Philanthropic Foundations
- Philanthropy
- Philology
- Philosophy
- Philosophy of Life
- Phonathons (2004)
- Phoneme Grapheme Correspondence
- Phonemes
- Phonemic Alphabets (2004)
- Phonemic Awareness
- Phonemics
- Phonetic Analysis
- Phonetic Transcription
- Phonetics
- Phonic Method
- Phonics
- Phonograph Record Lists (2004)
- Phonograph Records (1966 1980)
- Phonological Awareness
- Phonological Borrowing
- Phonological Units (1966 1980)
- Phonology
- Phonotape Recordings (1966 1978)
- Photochemical Reactions (2004)
- Photochemistry (2004)
- Photocomposition (2004)
- Photocopying
- Photographic Equipment (2004)
- Photographic Memory
- Photographs (2004)
- Photography
- Photojournalism
- Photometric Brightness (2004)
- Photoreproduction
- Photosynthesis (2004)
- Phrase Structure
- Physical Activities
- Physical Activity Level
- Physical Attractiveness (2004)
- Physical Characteristics
- Physical Chemistry (2004)
- Physical Conditioning
- Physical Design Needs (1968 1980)
- Physical Development
- Physical Disabilities
- Physical Divisions (Geographic) (2004)
- Physical Education
- Physical Education Facilities
- Physical Education Teachers
- Physical Educators
- Physical Environment
- Physical Examinations
- Physical Exercise
- Physical Facilities (1966 1980)
- Physical Fitness
- Physical Fitness Tests (2004)
- Physical Geography
- Physical Handicaps (1966 1980)
- Physical Health
- Physical Mobility
- Physical Optics
- Physical Performance
- Physical Pressure (2004)
- Physical Recreation Programs
- Physical Sciences
- Physical Self Concept
- Physical Strength (2004)
- Physical Tests
- Physical Therapists (2004)
- Physical Therapy
- Physical Therapy Aides (2004)
- Physical Therapy Attendants (2004)
- Physically Handicapped (1966 1980)
- Physician Patient Relationship
- Physicians
- Physicians Assistants (2004)
- Physicians in Training
- Physics
- Physics Curriculum (1966 1980)
- Physics Experiments (1966 1980) (2004)
- Physics Instruction (1966 1980)
- Physics Teachers (1967 1980)
- Physiological Chemistry
- Physiological Psychology
- Physiology
- Political Divisions (Geographic)
- Political Geography
- Polygraphs (2004)
- Pornography
- Pressure (Physics) (2004)
- Program Phaseout
- Prophylacticians (2004)
- Psychophysiology
- Radiographers (2004)
- Reprography
- Schizophrenia
- School Demography
- School Philosophy
- School Phobia
- Self Fulfilling Prophecies (2004)
- Smartphones
- Social Geography
- Sound Spectrographs (2004)
- Spectrographs (Sound)
- Statistical Bibliography
- Stenographers (1966 1981) (2004)
- Stenography (1967 1980)
- Stress (Phonology) (2004)
- Suprasegmental Morphemes (2004)
- Suprasegmental Phonemes
- Symphony Orchestras (2004)
- Syphilis
- Telegraphic Materials (2004)
- Telephone Communication Systems (1967 1980)
- Telephone Communications Industry
- Telephone Communications Systems (2004)
- Telephone Crisis Services (2004)
- Telephone Instruction
- Telephone Solicitation Programs (2004)
- Telephone Surveys
- Telephone Usage Instruction (2004)
- Telephones (2004)
- Test Characteristics (Physical)
- Thermophysics
- Topography
- Typhoons
- Urban Demography
- Urban Geography
- Waves (Physics) (2004)
- World Geography
- Xenophobia
- Xerography
