31. [A dental office with Ritter equipment] Publication: [194-?] Subject(s): Dental OfficesDental Equipment
32. [Grinding dental apparatus] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel
33. [Designing dental apparatus] Publication: [195-?] Subject(s): Dental EquipmentLaboratory Personnel
35. [Dentist treating a patient] Publication: [196-?] Subject(s): Dental OfficesDental EquipmentDentistsPatients
38. [Window side view of a dental office] Publication: [195-?] Subject(s): Dental OfficesDental Equipment