 These experiences, not unlike his earlier quest to visit the studios of famous potters, reflect his continuing interest in historical sleuthing, especially as it relates, non-exclusively, to the tradition of ceramic art.Related to those inclinations, he and/or Geraldine Schwarz (often in collaboration with others) have written, compiled and sometimes published books having to do with historic issues, both local and international.Among these, for example, are "Conversations with the Recent Past" (Luther College Press, 1975), a collection of oral history interviews with rural residents in the vicinity of Decorah, Iowa; and "Paddled Tails from Tattled Tales