HRTR 0102 1978 (January-February)
HRTR 0102 1978 (January-February)—————————–
HRTR 0304 1978 (March-April)
HRTR 0304 1978 (March-April)—————————–
HRTR 0506 1978 (May-June)
HRTR 0506 1978 (May-June)—————————–
HRTR 0708 1978 (July-August)
HRTR 0708 1978 (July-August)—————————–
HRTR 0910 1978 (September-October)
HRTR 0910 1978 (September-October)—————————–