| 128 | IV | 1970 | 7 |
| Ambasáda Francúzska – Praha. [ 1 ks ] | |
| 129 | IV | 1967 | 7 |
| Benz, G. – Karlsruhe. [ 1 ks ] | |
| 130 | IV | s.d. | 7 |
| Blagonravov, A. A. – Moskva. [ 1 ks ] | |
| 131 | IV | 1970 | 7 |
| Centre de recherches physiques – Marseille. [ 1 ks ] | |
| 132 | IV | 1967 | 7 |
| ČSAV, Ústav rádiotechniky a elektrotechniky – Praha. [ 3 ks ] | |
| 133 | IV | 1967 | 7 |
| ČSAV, Ústav termomechaniky – Praha. [ 2 ks ] | |
| 134 | IV | 1962, 1966 | 7 |
| ČSAV, Vedecké kolégium mechaniky – Praha. [ 3 ks ] | |
| 135 | IV | 1959 | 7 |
| École polytechnique – Paris. [ 1 ks ] | |
| 136 | IV | 1964 | 7 |
| Farlík, A. – Brno. [ 1 ks ] | |
| 137 | IV | 1965 | 7 |
| Filippov, A. P. – Charkov. [ 2 ks ] | |
| 138 | IV | 1971 | 7 |
| Grabowski, B. – Londýn. [ 1 ks ] | |
| 139 | IV | 1968 | 7 |
| Hartog, J. P. Den – Cambridge. [ 1 ks ] | |
| 140 | IV | 1954 | 7 |
| Havelka, K. – Bratislava. [ 1 ks ] | |
| 141 | IV | 1966 | 7 |
| Holzweisig, F. – Drážďany. [ 1 ks ] | |
| 142 | IV | 1952 | 7 |
| Hovorka ? – ? [ 1 ks ] | |
| 143 | IV | 1962–1963 | 7 |
| Jůza ? – Plzeň, Praha. [ 3 ks ] | |
| 144 | IV | 1962 | 7 |
| Kancelária Predsedníctva vlády – Praha. [ 1 ks ] | |
| 145 | IV | 1970 | 7 |
| Maennig, W. – Berlin. [ 1 ks ] | |
| 146 | IV | 1965 | 7 |
| Mangeron, D. – Iasi (Rumunsko). [ 1 ks ] | |
| 147 | IV | 1959 | 7 |
| Méréstechnikai és automatizálási tudományos egyesület – Budapešť. [ 1 ks ] | |
| 148 | IV | 1964? | 7 |
| Michálek, M. – Martin. [ 1 ks ] | |
| 149 | IV | 1967 | 7 |
| Ministerstvo školstva a kultúry – Praha. [ 1 ks ] | |
| 150 | IV | 1965 | 7 |
| Půst, L. – Praha. [ 1 ks ] | |
| 151 | IV | 1964 | 8 |
| Roľnícke noviny – Bratislava. [ 1 ks ] | |
| 152 | IV | 1966 | 8 |
| Skalmierski, B. – Gliwice. [ 1 ks ] | |
| 153 | IV | 1970 | 8 |
| Slyško, P. – Klače. [ 2 ks ] | |
| 154 | IV | 1962 | 8 |
| Státní komise pro rozvoj a koordinaci vědy a techniky – Praha. [ 1 ks ] | |
| 155 | IV | 1967 | 8 |
| Tudosie, C. – Cluž. [ 1 ks ] | |
| 156 | IV | 1971 | 8 |
| City University – Londýn. [ 1 ks ] | |
| 157 | IV | 1970 | 8 |
| Chalmers University of technology – Gothenburg. [ 1 ks ] | |
| 158 | IV | 1968 | 8 |
| Princeton University – Princeton. [ 1 ks ] | |
| 159 | IV | 1970–1971 | 8 |
| Université de Besancon – Besancon. [ 2 ks ] | |
| 160 | IV | 1970,1972 | 8 |
| University College London – Londýn. [ 2 ks ] | |
| 161 | IV | 1970 | 8 |
| University of Texas – Austin. [ 1 ks ] | |
| 162 | IV | 1972 | 8 |
| University of Waterloo – Waterloo. [ 1 ks ] | |
| 163 | IV | 1971 | 8 |
| University Southampton – Southampton. [ 1 ks ] | |
| 164 | IV | 1964 | 8 |
| Úrad pre normalizáciu a meranie – Praha. [ 1 ks + príloha ] | |
| 165 | IV | 1955 | 8 |
| Vodohospodárske laboratórium SAV – Bratislava. [ 2 ks ] | |
| 166 | IV | 1952 | 8 |
| Vysoká škola poľnohospodárskeho a lesníckeho inžinierstva – Košice. [ 1 ks ] | |
| 167 | IV | s.d. | 8 |
| Zlámala, V. – Tlmače. [ 1 ks ] | |
| 168 | IV | 1963, 1971 | 8 |
| Neurčená korešpondencia. [ 2 ks ] | |