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Wikidata

https://www.wikidata.org/wiki/Q186819

Special agent! Where are you running to?

Special agent! Where are you running to? (ca. 1951)

Be sure not to lower your guard and become careless, increase your political vigilance!

Be sure not to lower your guard and become careless, increase your political vigilance! (1955, August)

The crystal receiver made by brother makes a sound

The crystal receiver made by brother makes a sound (1957, August)

Take the political line as the key link, train rigorously

Take the political line as the key link, train rigorously (1972, July)

The flowers of wealth open

The flowers of wealth open (1990, July)

We love science

We love science (1994, May)

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