1967.10-12; 14; 16-17; 19; 21-23; 26-27; 30; 32-35; 37; 40; 42; 45; 48-55; 58; 67; 79; 82; 95-96; 114; 117-118; 120; 126; 128-130; 133-135; 147; 151; 153-155; 161; 164; 170; 173; 186; 208; 215-216; 223-224; 226-227; 229; 232; 241-242; 244; 247; 253; 257; 269-270; 272-274; 277-280; 282-286; 288-289; 291; 294-295; 299; 339; 345; 400; 413; 420; 425; 431-434; 440; 448-449; 453; 464-465; 467-473; 480; 485; 488; 492; 496; 498; 504; 509; 515-518; 521; 526; 533-534; 543; 649-655; 657; 659; 662; 673; 685-685; 691; 696; 700-748; 766; 768-776; 778-784; 788; 792; 794; 801; 810-811; 814; 816-820; 823-824; 829; 835-836; 839; 842-843; 854; 860-861; 869; 873; 1968.1-2; 4; 8; 1214; 26; 40; 50; 59; 61-65; 68; 71; 74; 76; 79-83; 86-87; 98-103; 105-106; 108; 182; 184-185; 188-192; 1969.1; 3-5; 9; 13; 8; 20-22; 27; 29; 34-35; 64; 67-68; 71; 77-78; 98; 100-101; 109; 113-114; 147-149; 183; 185-189; 1970.2-3; 14; 19; 24-25; 41-42; 45; 48-49; 52-54; 56; 58; 68; 75; 81-84; 86-89; 91-95; 102; 115; 130-133; 137; 143-148; 161-162; 188; 191-192; 194-195; 198-207; 209; 211; 1971.1; 3-4; 9-10; 13-33; 37; 40-41; 44; 47-51; 58; 65-79; 81-87; 93-94; 96-97; 109-112; 114; 116; 118-120; 122-124; 152; 160-162; 166; 175-177; 183; 193-194; 214; 226; 1972.6-7; 10; 15-18; 28; 30; 37-52; 54; 61; 63-65; 1973.1; 6; 10; 12; 21-23; 26-29; 34; 47; 51-66; 68; 82; 84; 1974.2-17; 20-21; 55; 59; 61-62; 65-69; 76; 84-85; 113; 148; 203-205; 208; 214-218; 1975.3-6; 18-20; 48; 70-71; 1976.1-2; 5; 7-15; 25; 28; 55; 67-71; 88; 91; 93-94; 102; 108-109; 117-118; 121; 130-134; 136; 138; 141-142; 1977.1-2; 22-25; 27-29; 32-33