2000 - The Billings Method Controlling Fertility Without Drugs or Devices (Paperback) → Paperback, Hardcover ISBN-13: 9780919225176 ISBN-10: 0919225179 Genres: Health, Fitness & Dieting, Parenting & Relationships 1 1988 - The Billings Method of Natural Family Planning (Hardcover) ISBN-13: 9780722515778 ISBN-10: 0722515774 ? 1981 - The Billings Method Controlling Fertility Without Drugs or Devices (Hardcover) → Paperback ISBN-13: 9780394521206 ISBN-10: 039452120X ? Billings Method Controlling Fertility Without Drugs or Devices (Paperback) → Paperback, Hardcover ISBN-13: 9780852442623 ISBN-10: 0852442629 Genres: Health, Fitness & Dieting, Christian Books & Bibles ? |