puppet shows were staged. 199 a b Salmonowicz 1994,. . The Germans had almost certainly realized the full scale of the Polish underground education system by about 1943, but lacked the manpower to put an end to it, probably prioritizing resources to dealing with the armed resistance. Materiały sesji naukowej pod red. 228 Piotrowski 1997,. . 25 Formerly in the collection of the Czartoryski Museum in Kraków, its whereabouts remain unknown. 10 Further directives issued in the spring and early summer reflected policies that had been outlined by Frank and Goebbels during the previous autumn. 72 These activities were strictly controlled by the Soviet authorities, which saw to it that these activities portrayed the new Soviet regime in a positive light and vilified the former Polish government. 16 Poles were allowed back into those museums that now supported German propaganda and indoctrination, such as the newly created Chopin museum, which emphasized the composer's invented German roots. This policy was, however, reversed at timesfirst before the elections in October 1939; 74 and later, after the German conquest of France. A b "Heritage Plaza". 88 In Warsaw, there were over 70 underground schools, with 2,000 teachers and 21,000 students. 95 96 In 1943 a German report on education admitted that control of what was being taught in schools, particularly rural ones, was difficult, due to lack of manpower, transportation, and the activities of the Polish resistance. 323 Madajczyk 1970,. .