| [Note: The following issues were not written by L. Ron Hubbard and are therefore not included in this volume. | [Note: The following issues were not written by L. Ron Hubbard and are therefore not included in this volume. |
BPL 25 Jan. 1972R, PR Series 15R, POPULATION SURVEYS. | BPL 25 Jan. 1972R, PR Series 15R, POPULATION SURVEYS. |