The New Encyclopaedia Britannica, Volume 28

Alfonso Almoravids amateur Andalusia Arabic Aragon arthritis articulation associated ball Barcelona baryon base baseball became body bone bowling British calcium called cartilage Castile Castilian Catalan Catalonia cells centimetres central centre century championship choanocytes Christian clubs clusters collagen connective tissue cricket culture Demospongiae disease disorders early electron fibres football forces fracture function globular clusters goal golf hockey important interaction internal island Jabal joint king kingdom known language larynx later League ligaments luminosity magnitude main sequence major mass mesons metres muscles Muslim Nile open clusters organized particles pitch play players political population professional provinces region river Roman Rugby rules score Sinhalese skeleton southern Spain Spanish speech spicules sponges Sri Lanka Stalin stars stellar steppe structure Sudan surface synovial temperature tennis tion traditional United Valencia variables vertebrates Visigothic visual magnitude vocal cords vowels