American Craftsmen's Council, 1957-1961 Select: American Craftsmen's Council, 1957-1961 Certificates, 1973, 1993 Select: Certificates, 1973, 1993 Chouinard Art Institute, Teacher's Inservice Training in Glazes, 1958 Select: Chouinard Art Institute, Teacher's Inservice Training in Glazes, 1958 Correspondence, Personal, 1955-2000 Select: Correspondence, Personal, 1955-2000 Correspondence, Professional, 1958-2000 Select: Correspondence, Professional, 1958-2000 Exhibitions, 1964-1993 Select: Exhibitions, 1964-1993 Glazes, Original Copies, undated Select: Glazes, Original Copies, undated House on McAndrew, 1973 Select: House on McAndrew, 1973 Invoices, Sets, 1987-1994 Select: Invoices, Sets, 1987-1994 Invoices and Receipts, 1962-1994 Select: Invoices and Receipts, 1962-1994 League of New Hampshire Arts and Crafts, Membership Handbook, circa 1950s Select: League of New Hampshire Arts and Crafts, Membership Handbook, circa 1950s Museums and Galleries Select: Museums and Galleries Archives of American Art, 1973, 1995 Select: Archives of American Art, 1973, 1995 Charles A. Wustum Museum, 1993 Select: Charles A. Wustum Museum, 1993 The Clay Pigeon Gallery, 1994-1995 Select: The Clay Pigeon Gallery, 1994-1995 The Clay Place, 1991-1994 Select: The Clay Place, 1991-1994 Concord Arts and Crafts, 1995 Select: Concord Arts and Crafts, 1995 Contemporary Crafts Gallery, 1991-1993 Select: Contemporary Crafts Gallery, 1991-1993 Crafts Alliance Gallery, 1993-1994 Select: Crafts Alliance Gallery, 1993-1994 The Craftsman's Gallery, 1991-1994 Select: The Craftsman's Gallery, 1991-1994 Deboer Gallery, 1991-1994 Select: Deboer Gallery, 1991-1994 The Gallery, Indiana, 1990-1994 Select: The Gallery, Indiana, 1990-1994 Human Arts, 1991-1994 Select: Human Arts, 1991-1994 Long Beach Museum of Art, 1961, 1994 Select: Long Beach Museum of Art, 1961, 1994 Mingei International Museum of World Folk Art, 1993-1994 Select: Mingei International Museum of World Folk Art, 1993-1994 Pewabic Pottery, 1995 Select: Pewabic Pottery, 1995 Pinch Pottery, 1993 Select: Pinch Pottery, 1993 Potters Wheel Gallery, 1993 Select: Potters Wheel Gallery, 1993 San Francisco Craft and Folk Art Museum, 1992-1995 Select: San Francisco Craft and Folk Art Museum, 1992-1995 Ventura Museum, 1995 Select: Ventura Museum, 1995 Viewpoint Gallery, 1990-1993 Select: Viewpoint Gallery, 1990-1993 Otto's File, 1942-1993 Select: Otto's File, 1942-1993 Quotations and Excerpts, circa 1990s Select: Quotations and Excerpts, circa 1990s Resumes, 1994-1995 Select: Resumes, 1994-1995 Stationery and Business Material, 1950s-1990s Select: Stationery and Business Material, 1950s-1990s Southern California Designer-Craftsmen, Ethics and By-Laws, 1963 Select: Southern California Designer-Craftsmen, Ethics and By-Laws, 1963 "Vivika and Otto, A Union of "Art and Heart"", undated Select: "Vivika and Otto, A Union of "Art and Heart"", undated Workshops, 1981, 1994 Select: Workshops, 1981, 1994 Writings, Notes, Papers, undated Select: Writings, Notes, Papers, undated "You are the Miracle: Exploring the Power of the Creative Process", 1994 Select: "You are the Miracle: Exploring the Power of the Creative Process", 19941 Videocassettes (VHS)