Esperanto classes for policemen have been conducted for several years
in several towns in Germany, in France, in Spain, etc., and even during
their hours of duty classes are going on in Esperanto so that policemen
may learn Esperanto without the loss of their own personal time. I thank
you, gentlemen, for bearing with me so long.

Mr. BARTHOLDT. I should like to have an opportunity, if possible, at
some future time to have you give us about 10 or 15 minutes to hear Mrs.
Crafts.

The CHAIRMAN. We shall be very glad indeed to give you that time.


(The additional matter submitted by Prof. Christen follows:)


(1) We are apt to lose sight of the fact that the whole world's
business is daily becoming more and more internationalized and that
what in former centuries was done parochially is now more and more
done internationally.

The first public international convention ever held took place
less than 75 years ago; it is a significant fact that this was a
peace convention. To-day there are over 300 societies: Commercial,
scientific, religious, sociological, industrial, sporting, etc.,
organized internationally. During those seventy-odd years over
2,000 international congresses of one kind or another have actually
taken place, and now a days not one year passes without several
scores being added to the total. An incomplete list for 1914 gives